Home / 402,741,294.21-555,788,718.72-237,728,863.71

Finding the Fourth Proportional to 402,741,294.21, 555,788,718.72 and 237,728,863.71

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Solution

The fourth proportional to 402,741,294.21, 555,788,718.72 and 237,728,863.71 is: 328,069,215.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,741,294.21 : 555,788,718.72 = 237,728,863.71 : x
  2. Step 2: Convert to fraction form
    402,741,294.21/555,788,718.72 = 237,728,863.71/x
  3. Step 3: Cross multiply
    402,741,294.21x = 555,788,718.72 × 237,728,863.71
  4. Step 4: Simplify right side
    402,741,294.21x = 132,127,020,564,142,416
  5. Step 5: Solve for x
    x = 132,127,020,564,142,416/402,741,294.21
  6. Step 6: Final answer
    x = 328,069,215.81

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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.