Home / 1,240,272,068.30-1,860,408,102.45-1,010,689,556.30

Finding the Fourth Proportional to 1,240,272,068.30, 1,860,408,102.45 and 1,010,689,556.30

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Solution

The fourth proportional to 1,240,272,068.30, 1,860,408,102.45 and 1,010,689,556.30 is: 1,516,034,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,272,068.30 : 1,860,408,102.45 = 1,010,689,556.30 : x
  2. Step 2: Convert to fraction form
    1,240,272,068.30/1,860,408,102.45 = 1,010,689,556.30/x
  3. Step 3: Cross multiply
    1,240,272,068.30x = 1,860,408,102.45 × 1,010,689,556.30
  4. Step 4: Simplify right side
    1,240,272,068.30x = 1,880,295,039,602,115,328
  5. Step 5: Solve for x
    x = 1,880,295,039,602,115,328/1,240,272,068.30
  6. Step 6: Final answer
    x = 1,516,034,334.45

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Half scale
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Double scale
Find fourth proportional to 1,240,272,069.30, 1,860,408,103.95 and 1,010,689,557.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.