Home / 472,392,404.80-708,588,607.20-469,522,623.40

Finding the Fourth Proportional to 472,392,404.80, 708,588,607.20 and 469,522,623.40

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Solution

The fourth proportional to 472,392,404.80, 708,588,607.20 and 469,522,623.40 is: 704,283,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,404.80 : 708,588,607.20 = 469,522,623.40 : x
  2. Step 2: Convert to fraction form
    472,392,404.80/708,588,607.20 = 469,522,623.40/x
  3. Step 3: Cross multiply
    472,392,404.80x = 708,588,607.20 × 469,522,623.40
  4. Step 4: Simplify right side
    472,392,404.80x = 332,698,381,763,896,128
  5. Step 5: Solve for x
    x = 332,698,381,763,896,128/472,392,404.80
  6. Step 6: Final answer
    x = 704,283,935.10

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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.