Home / 453,039,059.70-679,558,589.55-161,915,679.90

Finding the Fourth Proportional to 453,039,059.70, 679,558,589.55 and 161,915,679.90

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Solution

The fourth proportional to 453,039,059.70, 679,558,589.55 and 161,915,679.90 is: 242,873,519.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,039,059.70 : 679,558,589.55 = 161,915,679.90 : x
  2. Step 2: Convert to fraction form
    453,039,059.70/679,558,589.55 = 161,915,679.90/x
  3. Step 3: Cross multiply
    453,039,059.70x = 679,558,589.55 × 161,915,679.90
  4. Step 4: Simplify right side
    453,039,059.70x = 110,031,191,058,873,280
  5. Step 5: Solve for x
    x = 110,031,191,058,873,280/453,039,059.70
  6. Step 6: Final answer
    x = 242,873,519.85

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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.