Home / 387,558,425.52-534,818,706.48-220,312,956.24

Finding the Fourth Proportional to 387,558,425.52, 534,818,706.48 and 220,312,956.24

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Solution

The fourth proportional to 387,558,425.52, 534,818,706.48 and 220,312,956.24 is: 304,025,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,558,425.52 : 534,818,706.48 = 220,312,956.24 : x
  2. Step 2: Convert to fraction form
    387,558,425.52/534,818,706.48 = 220,312,956.24/x
  3. Step 3: Cross multiply
    387,558,425.52x = 534,818,706.48 × 220,312,956.24
  4. Step 4: Simplify right side
    387,558,425.52x = 117,827,490,277,061,648
  5. Step 5: Solve for x
    x = 117,827,490,277,061,648/387,558,425.52
  6. Step 6: Final answer
    x = 304,025,103.10

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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.