Home / 402,926,540.60-604,389,810.90-130,324,863.80

Finding the Fourth Proportional to 402,926,540.60, 604,389,810.90 and 130,324,863.80

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Solution

The fourth proportional to 402,926,540.60, 604,389,810.90 and 130,324,863.80 is: 195,487,295.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,926,540.60 : 604,389,810.90 = 130,324,863.80 : x
  2. Step 2: Convert to fraction form
    402,926,540.60/604,389,810.90 = 130,324,863.80/x
  3. Step 3: Cross multiply
    402,926,540.60x = 604,389,810.90 × 130,324,863.80
  4. Step 4: Simplify right side
    402,926,540.60x = 78,767,019,787,650,256
  5. Step 5: Solve for x
    x = 78,767,019,787,650,256/402,926,540.60
  6. Step 6: Final answer
    x = 195,487,295.70

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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.