Home / 472,645,446.12-709,073,571.63-145,154,008.62

Finding the Fourth Proportional to 472,645,446.12, 709,073,571.63 and 145,154,008.62

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Solution

The fourth proportional to 472,645,446.12, 709,073,571.63 and 145,154,008.62 is: 217,763,383.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,645,446.12 : 709,073,571.63 = 145,154,008.62 : x
  2. Step 2: Convert to fraction form
    472,645,446.12/709,073,571.63 = 145,154,008.62/x
  3. Step 3: Cross multiply
    472,645,446.12x = 709,073,571.63 × 145,154,008.62
  4. Step 4: Simplify right side
    472,645,446.12x = 102,924,871,328,595,216
  5. Step 5: Solve for x
    x = 102,924,871,328,595,216/472,645,446.12
  6. Step 6: Final answer
    x = 217,763,383.05

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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.