Home / 1,208,106,547,861.40-1,669,367,850,179.20-860,272,949,096.16

Finding the Fourth Proportional to 1,208,106,547,861.40, 1,669,367,850,179.20 and 860,272,949,096.16

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Solution

The fourth proportional to 1,208,106,547,861.40, 1,669,367,850,179.20 and 860,272,949,096.16 is: 1,188,729,591,890.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,106,547,861.40 : 1,669,367,850,179.20 = 860,272,949,096.16 : x
  2. Step 2: Convert to fraction form
    1,208,106,547,861.40/1,669,367,850,179.20 = 860,272,949,096.16/x
  3. Step 3: Cross multiply
    1,208,106,547,861.40x = 1,669,367,850,179.20 × 860,272,949,096.16
  4. Step 4: Simplify right side
    1,208,106,547,861.40x = 1,436,112,003,599,977,074,917,376
  5. Step 5: Solve for x
    x = 1,436,112,003,599,977,074,917,376/1,208,106,547,861.40
  6. Step 6: Final answer
    x = 1,188,729,591,890.88

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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.