Home / 747,793,007.40-1,121,689,511.10-620,391,023.40

Finding the Fourth Proportional to 747,793,007.40, 1,121,689,511.10 and 620,391,023.40

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Solution

The fourth proportional to 747,793,007.40, 1,121,689,511.10 and 620,391,023.40 is: 930,586,535.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,793,007.40 : 1,121,689,511.10 = 620,391,023.40 : x
  2. Step 2: Convert to fraction form
    747,793,007.40/1,121,689,511.10 = 620,391,023.40/x
  3. Step 3: Cross multiply
    747,793,007.40x = 1,121,689,511.10 × 620,391,023.40
  4. Step 4: Simplify right side
    747,793,007.40x = 695,886,103,728,374,528
  5. Step 5: Solve for x
    x = 695,886,103,728,374,528/747,793,007.40
  6. Step 6: Final answer
    x = 930,586,535.10

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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.