Home / 1,073,126,429.60-1,609,689,644.40-392,587,498.40

Finding the Fourth Proportional to 1,073,126,429.60, 1,609,689,644.40 and 392,587,498.40

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Solution

The fourth proportional to 1,073,126,429.60, 1,609,689,644.40 and 392,587,498.40 is: 588,881,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,126,429.60 : 1,609,689,644.40 = 392,587,498.40 : x
  2. Step 2: Convert to fraction form
    1,073,126,429.60/1,609,689,644.40 = 392,587,498.40/x
  3. Step 3: Cross multiply
    1,073,126,429.60x = 1,609,689,644.40 × 392,587,498.40
  4. Step 4: Simplify right side
    1,073,126,429.60x = 631,944,030,695,381,632
  5. Step 5: Solve for x
    x = 631,944,030,695,381,632/1,073,126,429.60
  6. Step 6: Final answer
    x = 588,881,247.60

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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.