Home / 614,592,002.70-921,888,004.05-508,423,682.70

Finding the Fourth Proportional to 614,592,002.70, 921,888,004.05 and 508,423,682.70

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Solution

The fourth proportional to 614,592,002.70, 921,888,004.05 and 508,423,682.70 is: 762,635,524.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,592,002.70 : 921,888,004.05 = 508,423,682.70 : x
  2. Step 2: Convert to fraction form
    614,592,002.70/921,888,004.05 = 508,423,682.70/x
  3. Step 3: Cross multiply
    614,592,002.70x = 921,888,004.05 × 508,423,682.70
  4. Step 4: Simplify right side
    614,592,002.70x = 468,709,694,056,053,504
  5. Step 5: Solve for x
    x = 468,709,694,056,053,504/614,592,002.70
  6. Step 6: Final answer
    x = 762,635,524.05

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Similar ratio
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1.5x scale

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.