Home / 416,768,024.80-625,152,037.20-212,924,850.40

Finding the Fourth Proportional to 416,768,024.80, 625,152,037.20 and 212,924,850.40

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Solution

The fourth proportional to 416,768,024.80, 625,152,037.20 and 212,924,850.40 is: 319,387,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,768,024.80 : 625,152,037.20 = 212,924,850.40 : x
  2. Step 2: Convert to fraction form
    416,768,024.80/625,152,037.20 = 212,924,850.40/x
  3. Step 3: Cross multiply
    416,768,024.80x = 625,152,037.20 × 212,924,850.40
  4. Step 4: Simplify right side
    416,768,024.80x = 133,110,403,998,065,248
  5. Step 5: Solve for x
    x = 133,110,403,998,065,248/416,768,024.80
  6. Step 6: Final answer
    x = 319,387,275.60

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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.