Home / 580,608,083.10-870,912,124.65-521,485,599.90

Finding the Fourth Proportional to 580,608,083.10, 870,912,124.65 and 521,485,599.90

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Solution

The fourth proportional to 580,608,083.10, 870,912,124.65 and 521,485,599.90 is: 782,228,399.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,608,083.10 : 870,912,124.65 = 521,485,599.90 : x
  2. Step 2: Convert to fraction form
    580,608,083.10/870,912,124.65 = 521,485,599.90/x
  3. Step 3: Cross multiply
    580,608,083.10x = 870,912,124.65 × 521,485,599.90
  4. Step 4: Simplify right side
    580,608,083.10x = 454,168,131,783,288,768
  5. Step 5: Solve for x
    x = 454,168,131,783,288,768/580,608,083.10
  6. Step 6: Final answer
    x = 782,228,399.85

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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.