Home / 457,564,875.72-622,992,043.60-456,112,048.92

Finding the Fourth Proportional to 457,564,875.72, 622,992,043.60 and 456,112,048.92

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Solution

The fourth proportional to 457,564,875.72, 622,992,043.60 and 456,112,048.92 is: 621,013,964.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,564,875.72 : 622,992,043.60 = 456,112,048.92 : x
  2. Step 2: Convert to fraction form
    457,564,875.72/622,992,043.60 = 456,112,048.92/x
  3. Step 3: Cross multiply
    457,564,875.72x = 622,992,043.60 × 456,112,048.92
  4. Step 4: Simplify right side
    457,564,875.72x = 284,154,177,467,253,984
  5. Step 5: Solve for x
    x = 284,154,177,467,253,984/457,564,875.72
  6. Step 6: Final answer
    x = 621,013,964.46

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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.