Home / 1,073,126,481.60-1,609,689,722.40-392,587,550.40

Finding the Fourth Proportional to 1,073,126,481.60, 1,609,689,722.40 and 392,587,550.40

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Solution

The fourth proportional to 1,073,126,481.60, 1,609,689,722.40 and 392,587,550.40 is: 588,881,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,126,481.60 : 1,609,689,722.40 = 392,587,550.40 : x
  2. Step 2: Convert to fraction form
    1,073,126,481.60/1,609,689,722.40 = 392,587,550.40/x
  3. Step 3: Cross multiply
    1,073,126,481.60x = 1,609,689,722.40 × 392,587,550.40
  4. Step 4: Simplify right side
    1,073,126,481.60x = 631,944,145,021,072,000
  5. Step 5: Solve for x
    x = 631,944,145,021,072,000/1,073,126,481.60
  6. Step 6: Final answer
    x = 588,881,325.60

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Double scale
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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.