Home / 477,236,196.85-715,957,331.45-145,269,165.52

Finding the Fourth Proportional to 477,236,196.85, 715,957,331.45 and 145,269,165.52

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Solution

The fourth proportional to 477,236,196.85, 715,957,331.45 and 145,269,165.52 is: 217,935,112.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,236,196.85 : 715,957,331.45 = 145,269,165.52 : x
  2. Step 2: Convert to fraction form
    477,236,196.85/715,957,331.45 = 145,269,165.52/x
  3. Step 3: Cross multiply
    477,236,196.85x = 715,957,331.45 × 145,269,165.52
  4. Step 4: Simplify right side
    477,236,196.85x = 104,006,524,085,782,496
  5. Step 5: Solve for x
    x = 104,006,524,085,782,496/477,236,196.85
  6. Step 6: Final answer
    x = 217,935,112.16

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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.