Home / 402,484,320.92-555,425,021.61-226,273,099.95

Finding the Fourth Proportional to 402,484,320.92, 555,425,021.61 and 226,273,099.95

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Solution

The fourth proportional to 402,484,320.92, 555,425,021.61 and 226,273,099.95 is: 312,254,999.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,484,320.92 : 555,425,021.61 = 226,273,099.95 : x
  2. Step 2: Convert to fraction form
    402,484,320.92/555,425,021.61 = 226,273,099.95/x
  3. Step 3: Cross multiply
    402,484,320.92x = 555,425,021.61 × 226,273,099.95
  4. Step 4: Simplify right side
    402,484,320.92x = 125,677,741,429,490,432
  5. Step 5: Solve for x
    x = 125,677,741,429,490,432/402,484,320.92
  6. Step 6: Final answer
    x = 312,254,999.51

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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.