Home / 484,986,256.80-727,479,385.20-291,494,493.60

Finding the Fourth Proportional to 484,986,256.80, 727,479,385.20 and 291,494,493.60

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Solution

The fourth proportional to 484,986,256.80, 727,479,385.20 and 291,494,493.60 is: 437,241,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,986,256.80 : 727,479,385.20 = 291,494,493.60 : x
  2. Step 2: Convert to fraction form
    484,986,256.80/727,479,385.20 = 291,494,493.60/x
  3. Step 3: Cross multiply
    484,986,256.80x = 727,479,385.20 × 291,494,493.60
  4. Step 4: Simplify right side
    484,986,256.80x = 212,056,234,993,313,376
  5. Step 5: Solve for x
    x = 212,056,234,993,313,376/484,986,256.80
  6. Step 6: Final answer
    x = 437,241,740.40

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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.