Home / 402,178,942.95-555,053,440.65-234,957,004.95

Finding the Fourth Proportional to 402,178,942.95, 555,053,440.65 and 234,957,004.95

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Solution

The fourth proportional to 402,178,942.95, 555,053,440.65 and 234,957,004.95 is: 324,267,832.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,178,942.95 : 555,053,440.65 = 234,957,004.95 : x
  2. Step 2: Convert to fraction form
    402,178,942.95/555,053,440.65 = 234,957,004.95/x
  3. Step 3: Cross multiply
    402,178,942.95x = 555,053,440.65 × 234,957,004.95
  4. Step 4: Simplify right side
    402,178,942.95x = 130,413,694,002,316,576
  5. Step 5: Solve for x
    x = 130,413,694,002,316,576/402,178,942.95
  6. Step 6: Final answer
    x = 324,267,832.24

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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.