Home / 361,690,607.07-541,851,346.73-213,695,584.43

Finding the Fourth Proportional to 361,690,607.07, 541,851,346.73 and 213,695,584.43

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Solution

The fourth proportional to 361,690,607.07, 541,851,346.73 and 213,695,584.43 is: 320,138,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,690,607.07 : 541,851,346.73 = 213,695,584.43 : x
  2. Step 2: Convert to fraction form
    361,690,607.07/541,851,346.73 = 213,695,584.43/x
  3. Step 3: Cross multiply
    361,690,607.07x = 541,851,346.73 × 213,695,584.43
  4. Step 4: Simplify right side
    361,690,607.07x = 115,791,240,211,474,896
  5. Step 5: Solve for x
    x = 115,791,240,211,474,896/361,690,607.07
  6. Step 6: Final answer
    x = 320,138,919.70

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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.