Home / 472,393,043.70-708,589,565.55-440,108,002.95

Finding the Fourth Proportional to 472,393,043.70, 708,589,565.55 and 440,108,002.95

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Solution

The fourth proportional to 472,393,043.70, 708,589,565.55 and 440,108,002.95 is: 660,162,004.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,043.70 : 708,589,565.55 = 440,108,002.95 : x
  2. Step 2: Convert to fraction form
    472,393,043.70/708,589,565.55 = 440,108,002.95/x
  3. Step 3: Cross multiply
    472,393,043.70x = 708,589,565.55 × 440,108,002.95
  4. Step 4: Simplify right side
    472,393,043.70x = 311,855,938,605,418,560
  5. Step 5: Solve for x
    x = 311,855,938,605,418,560/472,393,043.70
  6. Step 6: Final answer
    x = 660,162,004.43

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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.