Home / 457,564,850.70-622,992,009.54-456,112,023.90

Finding the Fourth Proportional to 457,564,850.70, 622,992,009.54 and 456,112,023.90

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Solution

The fourth proportional to 457,564,850.70, 622,992,009.54 and 456,112,023.90 is: 621,013,930.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,564,850.70 : 622,992,009.54 = 456,112,023.90 : x
  2. Step 2: Convert to fraction form
    457,564,850.70/622,992,009.54 = 456,112,023.90/x
  3. Step 3: Cross multiply
    457,564,850.70x = 622,992,009.54 × 456,112,023.90
  4. Step 4: Simplify right side
    457,564,850.70x = 284,154,146,344,817,472
  5. Step 5: Solve for x
    x = 284,154,146,344,817,472/457,564,850.70
  6. Step 6: Final answer
    x = 621,013,930.40

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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.