Home / 284,378,719.98-426,584,023.11-79,890,852.18

Finding the Fourth Proportional to 284,378,719.98, 426,584,023.11 and 79,890,852.18

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Solution

The fourth proportional to 284,378,719.98, 426,584,023.11 and 79,890,852.18 is: 119,840,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,378,719.98 : 426,584,023.11 = 79,890,852.18 : x
  2. Step 2: Convert to fraction form
    284,378,719.98/426,584,023.11 = 79,890,852.18/x
  3. Step 3: Cross multiply
    284,378,719.98x = 426,584,023.11 × 79,890,852.18
  4. Step 4: Simplify right side
    284,378,719.98x = 34,080,161,132,630,720
  5. Step 5: Solve for x
    x = 34,080,161,132,630,720/284,378,719.98
  6. Step 6: Final answer
    x = 119,840,757.20

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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.