Home / 514,944,043.20-772,416,064.80-126,763,790.40

Finding the Fourth Proportional to 514,944,043.20, 772,416,064.80 and 126,763,790.40

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Solution

The fourth proportional to 514,944,043.20, 772,416,064.80 and 126,763,790.40 is: 190,145,685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,944,043.20 : 772,416,064.80 = 126,763,790.40 : x
  2. Step 2: Convert to fraction form
    514,944,043.20/772,416,064.80 = 126,763,790.40/x
  3. Step 3: Cross multiply
    514,944,043.20x = 772,416,064.80 × 126,763,790.40
  4. Step 4: Simplify right side
    514,944,043.20x = 97,914,388,139,900,016
  5. Step 5: Solve for x
    x = 97,914,388,139,900,016/514,944,043.20
  6. Step 6: Final answer
    x = 190,145,685.60

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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.