Home / 441,160,069.20-661,740,103.80-211,577,557.20

Finding the Fourth Proportional to 441,160,069.20, 661,740,103.80 and 211,577,557.20

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Solution

The fourth proportional to 441,160,069.20, 661,740,103.80 and 211,577,557.20 is: 317,366,335.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,160,069.20 : 661,740,103.80 = 211,577,557.20 : x
  2. Step 2: Convert to fraction form
    441,160,069.20/661,740,103.80 = 211,577,557.20/x
  3. Step 3: Cross multiply
    441,160,069.20x = 661,740,103.80 × 211,577,557.20
  4. Step 4: Simplify right side
    441,160,069.20x = 140,009,354,663,278,416
  5. Step 5: Solve for x
    x = 140,009,354,663,278,416/441,160,069.20
  6. Step 6: Final answer
    x = 317,366,335.80

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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.