Home / 457,564,876.72-622,992,044.96-456,112,049.92

Finding the Fourth Proportional to 457,564,876.72, 622,992,044.96 and 456,112,049.92

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Solution

The fourth proportional to 457,564,876.72, 622,992,044.96 and 456,112,049.92 is: 621,013,965.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,564,876.72 : 622,992,044.96 = 456,112,049.92 : x
  2. Step 2: Convert to fraction form
    457,564,876.72/622,992,044.96 = 456,112,049.92/x
  3. Step 3: Cross multiply
    457,564,876.72x = 622,992,044.96 × 456,112,049.92
  4. Step 4: Simplify right side
    457,564,876.72x = 284,154,178,710,558,432
  5. Step 5: Solve for x
    x = 284,154,178,710,558,432/457,564,876.72
  6. Step 6: Final answer
    x = 621,013,965.82

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.