Home / 619,488,120.30-928,112,436.45-360,491,333.10

Finding the Fourth Proportional to 619,488,120.30, 928,112,436.45 and 360,491,333.10

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Solution

The fourth proportional to 619,488,120.30, 928,112,436.45 and 360,491,333.10 is: 540,085,400.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,488,120.30 : 928,112,436.45 = 360,491,333.10 : x
  2. Step 2: Convert to fraction form
    619,488,120.30/928,112,436.45 = 360,491,333.10/x
  3. Step 3: Cross multiply
    619,488,120.30x = 928,112,436.45 × 360,491,333.10
  4. Step 4: Simplify right side
    619,488,120.30x = 334,576,489,482,549,568
  5. Step 5: Solve for x
    x = 334,576,489,482,549,568/619,488,120.30
  6. Step 6: Final answer
    x = 540,085,400.38

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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.