Home / 384,912,974.20-577,369,461.30-180,461,716.60

Finding the Fourth Proportional to 384,912,974.20, 577,369,461.30 and 180,461,716.60

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Solution

The fourth proportional to 384,912,974.20, 577,369,461.30 and 180,461,716.60 is: 270,692,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,974.20 : 577,369,461.30 = 180,461,716.60 : x
  2. Step 2: Convert to fraction form
    384,912,974.20/577,369,461.30 = 180,461,716.60/x
  3. Step 3: Cross multiply
    384,912,974.20x = 577,369,461.30 × 180,461,716.60
  4. Step 4: Simplify right side
    384,912,974.20x = 104,193,084,098,615,248
  5. Step 5: Solve for x
    x = 104,193,084,098,615,248/384,912,974.20
  6. Step 6: Final answer
    x = 270,692,574.90

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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.