Home / 472,392,028.80-708,588,043.20-144,918,084.60

Finding the Fourth Proportional to 472,392,028.80, 708,588,043.20 and 144,918,084.60

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Solution

The fourth proportional to 472,392,028.80, 708,588,043.20 and 144,918,084.60 is: 217,377,126.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,028.80 : 708,588,043.20 = 144,918,084.60 : x
  2. Step 2: Convert to fraction form
    472,392,028.80/708,588,043.20 = 144,918,084.60/x
  3. Step 3: Cross multiply
    472,392,028.80x = 708,588,043.20 × 144,918,084.60
  4. Step 4: Simplify right side
    472,392,028.80x = 102,687,221,991,006,064
  5. Step 5: Solve for x
    x = 102,687,221,991,006,064/472,392,028.80
  6. Step 6: Final answer
    x = 217,377,126.90

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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.