Home / 664,832,001.80-997,248,002.70-392,333,313.80

Finding the Fourth Proportional to 664,832,001.80, 997,248,002.70 and 392,333,313.80

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Solution

The fourth proportional to 664,832,001.80, 997,248,002.70 and 392,333,313.80 is: 588,499,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,832,001.80 : 997,248,002.70 = 392,333,313.80 : x
  2. Step 2: Convert to fraction form
    664,832,001.80/997,248,002.70 = 392,333,313.80/x
  3. Step 3: Cross multiply
    664,832,001.80x = 997,248,002.70 × 392,333,313.80
  4. Step 4: Simplify right side
    664,832,001.80x = 391,253,613,579,722,368
  5. Step 5: Solve for x
    x = 391,253,613,579,722,368/664,832,001.80
  6. Step 6: Final answer
    x = 588,499,970.70

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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.