Home / 431,619,458.10-647,429,187.15-302,373,006.90

Finding the Fourth Proportional to 431,619,458.10, 647,429,187.15 and 302,373,006.90

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Solution

The fourth proportional to 431,619,458.10, 647,429,187.15 and 302,373,006.90 is: 453,559,510.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,619,458.10 : 647,429,187.15 = 302,373,006.90 : x
  2. Step 2: Convert to fraction form
    431,619,458.10/647,429,187.15 = 302,373,006.90/x
  3. Step 3: Cross multiply
    431,619,458.10x = 647,429,187.15 × 302,373,006.90
  4. Step 4: Simplify right side
    431,619,458.10x = 195,765,110,073,368,320
  5. Step 5: Solve for x
    x = 195,765,110,073,368,320/431,619,458.10
  6. Step 6: Final answer
    x = 453,559,510.35

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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.