Home / 744,288,549.67-1,027,099,425.84-409,757,732.38

Finding the Fourth Proportional to 744,288,549.67, 1,027,099,425.84 and 409,757,732.38

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Solution

The fourth proportional to 744,288,549.67, 1,027,099,425.84 and 409,757,732.38 is: 565,455,335.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,288,549.67 : 1,027,099,425.84 = 409,757,732.38 : x
  2. Step 2: Convert to fraction form
    744,288,549.67/1,027,099,425.84 = 409,757,732.38/x
  3. Step 3: Cross multiply
    744,288,549.67x = 1,027,099,425.84 × 409,757,732.38
  4. Step 4: Simplify right side
    744,288,549.67x = 420,861,931,655,862,912
  5. Step 5: Solve for x
    x = 420,861,931,655,862,912/744,288,549.67
  6. Step 6: Final answer
    x = 565,455,335.63

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1.5x scale

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.