Home / 725,550,397.46-1,088,314,659.43-326,427,101.91

Finding the Fourth Proportional to 725,550,397.46, 1,088,314,659.43 and 326,427,101.91

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Solution

The fourth proportional to 725,550,397.46, 1,088,314,659.43 and 326,427,101.91 is: 489,635,732.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,550,397.46 : 1,088,314,659.43 = 326,427,101.91 : x
  2. Step 2: Convert to fraction form
    725,550,397.46/1,088,314,659.43 = 326,427,101.91/x
  3. Step 3: Cross multiply
    725,550,397.46x = 1,088,314,659.43 × 326,427,101.91
  4. Step 4: Simplify right side
    725,550,397.46x = 355,255,400,243,087,488
  5. Step 5: Solve for x
    x = 355,255,400,243,087,488/725,550,397.46
  6. Step 6: Final answer
    x = 489,635,732.39

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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.