Home / 1,415,763,197.42-2,123,651,517.65-433,188,172.76

Finding the Fourth Proportional to 1,415,763,197.42, 2,123,651,517.65 and 433,188,172.76

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Solution

The fourth proportional to 1,415,763,197.42, 2,123,651,517.65 and 433,188,172.76 is: 649,784,315.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,763,197.42 : 2,123,651,517.65 = 433,188,172.76 : x
  2. Step 2: Convert to fraction form
    1,415,763,197.42/2,123,651,517.65 = 433,188,172.76/x
  3. Step 3: Cross multiply
    1,415,763,197.42x = 2,123,651,517.65 × 433,188,172.76
  4. Step 4: Simplify right side
    1,415,763,197.42x = 919,940,720,514,550,400
  5. Step 5: Solve for x
    x = 919,940,720,514,550,400/1,415,763,197.42
  6. Step 6: Final answer
    x = 649,784,315.76

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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.