Home / 561,231,023.40-841,846,535.10-354,606,762.60

Finding the Fourth Proportional to 561,231,023.40, 841,846,535.10 and 354,606,762.60

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Solution

The fourth proportional to 561,231,023.40, 841,846,535.10 and 354,606,762.60 is: 531,910,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,231,023.40 : 841,846,535.10 = 354,606,762.60 : x
  2. Step 2: Convert to fraction form
    561,231,023.40/841,846,535.10 = 354,606,762.60/x
  3. Step 3: Cross multiply
    561,231,023.40x = 841,846,535.10 × 354,606,762.60
  4. Step 4: Simplify right side
    561,231,023.40x = 298,524,474,417,838,272
  5. Step 5: Solve for x
    x = 298,524,474,417,838,272/561,231,023.40
  6. Step 6: Final answer
    x = 531,910,143.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.