Home / 466,156,999.62-643,296,562.48-257,313,086.92

Finding the Fourth Proportional to 466,156,999.62, 643,296,562.48 and 257,313,086.92

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Solution

The fourth proportional to 466,156,999.62, 643,296,562.48 and 257,313,086.92 is: 355,092,006.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,156,999.62 : 643,296,562.48 = 257,313,086.92 : x
  2. Step 2: Convert to fraction form
    466,156,999.62/643,296,562.48 = 257,313,086.92/x
  3. Step 3: Cross multiply
    466,156,999.62x = 643,296,562.48 × 257,313,086.92
  4. Step 4: Simplify right side
    466,156,999.62x = 165,528,624,296,753,440
  5. Step 5: Solve for x
    x = 165,528,624,296,753,440/466,156,999.62
  6. Step 6: Final answer
    x = 355,092,006.41

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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.