Home / 472,645,454.62-709,073,584.38-145,154,017.12

Finding the Fourth Proportional to 472,645,454.62, 709,073,584.38 and 145,154,017.12

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Solution

The fourth proportional to 472,645,454.62, 709,073,584.38 and 145,154,017.12 is: 217,763,395.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,645,454.62 : 709,073,584.38 = 145,154,017.12 : x
  2. Step 2: Convert to fraction form
    472,645,454.62/709,073,584.38 = 145,154,017.12/x
  3. Step 3: Cross multiply
    472,645,454.62x = 709,073,584.38 × 145,154,017.12
  4. Step 4: Simplify right side
    472,645,454.62x = 102,924,879,206,434,288
  5. Step 5: Solve for x
    x = 102,924,879,206,434,288/472,645,454.62
  6. Step 6: Final answer
    x = 217,763,395.80

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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.