Home / 874,727,498.56-1,207,149,142.20-483,612,116.80

Finding the Fourth Proportional to 874,727,498.56, 1,207,149,142.20 and 483,612,116.80

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Solution

The fourth proportional to 874,727,498.56, 1,207,149,142.20 and 483,612,116.80 is: 667,398,650.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,727,498.56 : 1,207,149,142.20 = 483,612,116.80 : x
  2. Step 2: Convert to fraction form
    874,727,498.56/1,207,149,142.20 = 483,612,116.80/x
  3. Step 3: Cross multiply
    874,727,498.56x = 1,207,149,142.20 × 483,612,116.80
  4. Step 4: Simplify right side
    874,727,498.56x = 583,791,951,952,646,272
  5. Step 5: Solve for x
    x = 583,791,951,952,646,272/874,727,498.56
  6. Step 6: Final answer
    x = 667,398,650.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.