Home / 487,967,338,176.80-731,951,007,265.20-173,785,087,680.80

Finding the Fourth Proportional to 487,967,338,176.80, 731,951,007,265.20 and 173,785,087,680.80

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Solution

The fourth proportional to 487,967,338,176.80, 731,951,007,265.20 and 173,785,087,680.80 is: 260,677,631,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,967,338,176.80 : 731,951,007,265.20 = 173,785,087,680.80 : x
  2. Step 2: Convert to fraction form
    487,967,338,176.80/731,951,007,265.20 = 173,785,087,680.80/x
  3. Step 3: Cross multiply
    487,967,338,176.80x = 731,951,007,265.20 × 173,785,087,680.80
  4. Step 4: Simplify right side
    487,967,338,176.80x = 127,202,169,975,632,635,625,472
  5. Step 5: Solve for x
    x = 127,202,169,975,632,635,625,472/487,967,338,176.80
  6. Step 6: Final answer
    x = 260,677,631,521.20

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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.