Home / 623,752,909.29-860,785,817.27-345,299,082.93

Finding the Fourth Proportional to 623,752,909.29, 860,785,817.27 and 345,299,082.93

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Solution

The fourth proportional to 623,752,909.29, 860,785,817.27 and 345,299,082.93 is: 476,516,500.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,752,909.29 : 860,785,817.27 = 345,299,082.93 : x
  2. Step 2: Convert to fraction form
    623,752,909.29/860,785,817.27 = 345,299,082.93/x
  3. Step 3: Cross multiply
    623,752,909.29x = 860,785,817.27 × 345,299,082.93
  4. Step 4: Simplify right side
    623,752,909.29x = 297,228,553,300,755,072
  5. Step 5: Solve for x
    x = 297,228,553,300,755,072/623,752,909.29
  6. Step 6: Final answer
    x = 476,516,500.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.