Home / 744,288,549.17-1,027,099,425.15-409,757,731.88

Finding the Fourth Proportional to 744,288,549.17, 1,027,099,425.15 and 409,757,731.88

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Solution

The fourth proportional to 744,288,549.17, 1,027,099,425.15 and 409,757,731.88 is: 565,455,334.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,288,549.17 : 1,027,099,425.15 = 409,757,731.88 : x
  2. Step 2: Convert to fraction form
    744,288,549.17/1,027,099,425.15 = 409,757,731.88/x
  3. Step 3: Cross multiply
    744,288,549.17x = 1,027,099,425.15 × 409,757,731.88
  4. Step 4: Simplify right side
    744,288,549.17x = 420,861,930,859,580,352
  5. Step 5: Solve for x
    x = 420,861,930,859,580,352/744,288,549.17
  6. Step 6: Final answer
    x = 565,455,334.94

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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.