Home / 442,784,288.70-663,600,333.51-180,162,782.28

Finding the Fourth Proportional to 442,784,288.70, 663,600,333.51 and 180,162,782.28

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Solution

The fourth proportional to 442,784,288.70, 663,600,333.51 and 180,162,782.28 is: 270,009,766.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,784,288.70 : 663,600,333.51 = 180,162,782.28 : x
  2. Step 2: Convert to fraction form
    442,784,288.70/663,600,333.51 = 180,162,782.28/x
  3. Step 3: Cross multiply
    442,784,288.70x = 663,600,333.51 × 180,162,782.28
  4. Step 4: Simplify right side
    442,784,288.70x = 119,556,082,407,097,520
  5. Step 5: Solve for x
    x = 119,556,082,407,097,520/442,784,288.70
  6. Step 6: Final answer
    x = 270,009,766.51

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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.