Home / 534,995,790.30-802,493,685.45-478,875,620.70

Finding the Fourth Proportional to 534,995,790.30, 802,493,685.45 and 478,875,620.70

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Solution

The fourth proportional to 534,995,790.30, 802,493,685.45 and 478,875,620.70 is: 718,313,431.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,995,790.30 : 802,493,685.45 = 478,875,620.70 : x
  2. Step 2: Convert to fraction form
    534,995,790.30/802,493,685.45 = 478,875,620.70/x
  3. Step 3: Cross multiply
    534,995,790.30x = 802,493,685.45 × 478,875,620.70
  4. Step 4: Simplify right side
    534,995,790.30x = 384,294,661,727,699,328
  5. Step 5: Solve for x
    x = 384,294,661,727,699,328/534,995,790.30
  6. Step 6: Final answer
    x = 718,313,431.05

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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.