Home / 534,861,947.40-802,292,921.10-487,244,833.80

Finding the Fourth Proportional to 534,861,947.40, 802,292,921.10 and 487,244,833.80

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Solution

The fourth proportional to 534,861,947.40, 802,292,921.10 and 487,244,833.80 is: 730,867,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,861,947.40 : 802,292,921.10 = 487,244,833.80 : x
  2. Step 2: Convert to fraction form
    534,861,947.40/802,292,921.10 = 487,244,833.80/x
  3. Step 3: Cross multiply
    534,861,947.40x = 802,292,921.10 × 487,244,833.80
  4. Step 4: Simplify right side
    534,861,947.40x = 390,913,081,000,286,016
  5. Step 5: Solve for x
    x = 390,913,081,000,286,016/534,861,947.40
  6. Step 6: Final answer
    x = 730,867,250.70

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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.