Home / 472,393,046.70-708,589,570.05-440,108,005.95

Finding the Fourth Proportional to 472,393,046.70, 708,589,570.05 and 440,108,005.95

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Solution

The fourth proportional to 472,393,046.70, 708,589,570.05 and 440,108,005.95 is: 660,162,008.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,046.70 : 708,589,570.05 = 440,108,005.95 : x
  2. Step 2: Convert to fraction form
    472,393,046.70/708,589,570.05 = 440,108,005.95/x
  3. Step 3: Cross multiply
    472,393,046.70x = 708,589,570.05 × 440,108,005.95
  4. Step 4: Simplify right side
    472,393,046.70x = 311,855,942,711,673,344
  5. Step 5: Solve for x
    x = 311,855,942,711,673,344/472,393,046.70
  6. Step 6: Final answer
    x = 660,162,008.93

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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.