Home / 664,332,187.40-996,498,281.10-173,044,507.40

Finding the Fourth Proportional to 664,332,187.40, 996,498,281.10 and 173,044,507.40

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Solution

The fourth proportional to 664,332,187.40, 996,498,281.10 and 173,044,507.40 is: 259,566,761.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,332,187.40 : 996,498,281.10 = 173,044,507.40 : x
  2. Step 2: Convert to fraction form
    664,332,187.40/996,498,281.10 = 173,044,507.40/x
  3. Step 3: Cross multiply
    664,332,187.40x = 996,498,281.10 × 173,044,507.40
  4. Step 4: Simplify right side
    664,332,187.40x = 172,438,554,177,896,256
  5. Step 5: Solve for x
    x = 172,438,554,177,896,256/664,332,187.40
  6. Step 6: Final answer
    x = 259,566,761.10

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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.