Home / 1,208,106,547,859.90-1,669,367,850,177.20-860,272,949,094.67

Finding the Fourth Proportional to 1,208,106,547,859.90, 1,669,367,850,177.20 and 860,272,949,094.67

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Solution

The fourth proportional to 1,208,106,547,859.90, 1,669,367,850,177.20 and 860,272,949,094.67 is: 1,188,729,591,888.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,106,547,859.90 : 1,669,367,850,177.20 = 860,272,949,094.67 : x
  2. Step 2: Convert to fraction form
    1,208,106,547,859.90/1,669,367,850,177.20 = 860,272,949,094.67/x
  3. Step 3: Cross multiply
    1,208,106,547,859.90x = 1,669,367,850,177.20 × 860,272,949,094.67
  4. Step 4: Simplify right side
    1,208,106,547,859.90x = 1,436,112,003,595,769,080,709,120
  5. Step 5: Solve for x
    x = 1,436,112,003,595,769,080,709,120/1,208,106,547,859.90
  6. Step 6: Final answer
    x = 1,188,729,591,888.87

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Double scale
Find fourth proportional to 1,208,106,547,860.90, 1,669,367,850,178.58 and 860,272,949,095.67
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.