Home / 472,645,455.62-709,073,585.88-145,154,018.12

Finding the Fourth Proportional to 472,645,455.62, 709,073,585.88 and 145,154,018.12

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Solution

The fourth proportional to 472,645,455.62, 709,073,585.88 and 145,154,018.12 is: 217,763,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,645,455.62 : 709,073,585.88 = 145,154,018.12 : x
  2. Step 2: Convert to fraction form
    472,645,455.62/709,073,585.88 = 145,154,018.12/x
  3. Step 3: Cross multiply
    472,645,455.62x = 709,073,585.88 × 145,154,018.12
  4. Step 4: Simplify right side
    472,645,455.62x = 102,924,880,133,238,896
  5. Step 5: Solve for x
    x = 102,924,880,133,238,896/472,645,455.62
  6. Step 6: Final answer
    x = 217,763,397.30

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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.