Home / 747,340,448.60-1,121,010,672.90-514,888,155.20

Finding the Fourth Proportional to 747,340,448.60, 1,121,010,672.90 and 514,888,155.20

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Solution

The fourth proportional to 747,340,448.60, 1,121,010,672.90 and 514,888,155.20 is: 772,332,232.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,340,448.60 : 1,121,010,672.90 = 514,888,155.20 : x
  2. Step 2: Convert to fraction form
    747,340,448.60/1,121,010,672.90 = 514,888,155.20/x
  3. Step 3: Cross multiply
    747,340,448.60x = 1,121,010,672.90 × 514,888,155.20
  4. Step 4: Simplify right side
    747,340,448.60x = 577,195,117,328,991,616
  5. Step 5: Solve for x
    x = 577,195,117,328,991,616/747,340,448.60
  6. Step 6: Final answer
    x = 772,332,232.80

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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.