Home / 664,992,032.20-997,488,048.30-619,642,400.20

Finding the Fourth Proportional to 664,992,032.20, 997,488,048.30 and 619,642,400.20

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Solution

The fourth proportional to 664,992,032.20, 997,488,048.30 and 619,642,400.20 is: 929,463,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,992,032.20 : 997,488,048.30 = 619,642,400.20 : x
  2. Step 2: Convert to fraction form
    664,992,032.20/997,488,048.30 = 619,642,400.20/x
  3. Step 3: Cross multiply
    664,992,032.20x = 997,488,048.30 × 619,642,400.20
  4. Step 4: Simplify right side
    664,992,032.20x = 618,085,888,419,425,536
  5. Step 5: Solve for x
    x = 618,085,888,419,425,536/664,992,032.20
  6. Step 6: Final answer
    x = 929,463,600.30

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Double scale
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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.