Home / 472,392,711.45-708,589,067.19-440,107,670.70

Finding the Fourth Proportional to 472,392,711.45, 708,589,067.19 and 440,107,670.70

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Solution

The fourth proportional to 472,392,711.45, 708,589,067.19 and 440,107,670.70 is: 660,161,506.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,711.45 : 708,589,067.19 = 440,107,670.70 : x
  2. Step 2: Convert to fraction form
    472,392,711.45/708,589,067.19 = 440,107,670.70/x
  3. Step 3: Cross multiply
    472,392,711.45x = 708,589,067.19 × 440,107,670.70
  4. Step 4: Simplify right side
    472,392,711.45x = 311,855,483,844,476,736
  5. Step 5: Solve for x
    x = 311,855,483,844,476,736/472,392,711.45
  6. Step 6: Final answer
    x = 660,161,506.06

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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.