Home / 437,398,869.60-656,106,080.40-130,694,767.20

Finding the Fourth Proportional to 437,398,869.60, 656,106,080.40 and 130,694,767.20

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Solution

The fourth proportional to 437,398,869.60, 656,106,080.40 and 130,694,767.20 is: 196,044,474.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,398,869.60 : 656,106,080.40 = 130,694,767.20 : x
  2. Step 2: Convert to fraction form
    437,398,869.60/656,106,080.40 = 130,694,767.20/x
  3. Step 3: Cross multiply
    437,398,869.60x = 656,106,080.40 × 130,694,767.20
  4. Step 4: Simplify right side
    437,398,869.60x = 85,749,631,436,382,480
  5. Step 5: Solve for x
    x = 85,749,631,436,382,480/437,398,869.60
  6. Step 6: Final answer
    x = 196,044,474.27

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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.