Home / 467,191,265.76-644,728,124.16-258,361,459.20

Finding the Fourth Proportional to 467,191,265.76, 644,728,124.16 and 258,361,459.20

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Solution

The fourth proportional to 467,191,265.76, 644,728,124.16 and 258,361,459.20 is: 356,541,123.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,191,265.76 : 644,728,124.16 = 258,361,459.20 : x
  2. Step 2: Convert to fraction form
    467,191,265.76/644,728,124.16 = 258,361,459.20/x
  3. Step 3: Cross multiply
    467,191,265.76x = 644,728,124.16 × 258,361,459.20
  4. Step 4: Simplify right side
    467,191,265.76x = 166,572,898,945,256,352
  5. Step 5: Solve for x
    x = 166,572,898,945,256,352/467,191,265.76
  6. Step 6: Final answer
    x = 356,541,123.85

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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.