Home / 441,774,154.20-662,661,231.30-319,330,147.80

Finding the Fourth Proportional to 441,774,154.20, 662,661,231.30 and 319,330,147.80

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Solution

The fourth proportional to 441,774,154.20, 662,661,231.30 and 319,330,147.80 is: 478,995,221.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,774,154.20 : 662,661,231.30 = 319,330,147.80 : x
  2. Step 2: Convert to fraction form
    441,774,154.20/662,661,231.30 = 319,330,147.80/x
  3. Step 3: Cross multiply
    441,774,154.20x = 662,661,231.30 × 319,330,147.80
  4. Step 4: Simplify right side
    441,774,154.20x = 211,607,708,932,358,976
  5. Step 5: Solve for x
    x = 211,607,708,932,358,976/441,774,154.20
  6. Step 6: Final answer
    x = 478,995,221.70

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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.