Home / 360,780,385.94-541,172,380.45-127,611,312.55

Finding the Fourth Proportional to 360,780,385.94, 541,172,380.45 and 127,611,312.55

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Solution

The fourth proportional to 360,780,385.94, 541,172,380.45 and 127,611,312.55 is: 191,417,606.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,780,385.94 : 541,172,380.45 = 127,611,312.55 : x
  2. Step 2: Convert to fraction form
    360,780,385.94/541,172,380.45 = 127,611,312.55/x
  3. Step 3: Cross multiply
    360,780,385.94x = 541,172,380.45 × 127,611,312.55
  4. Step 4: Simplify right side
    360,780,385.94x = 69,059,717,786,647,216
  5. Step 5: Solve for x
    x = 69,059,717,786,647,216/360,780,385.94
  6. Step 6: Final answer
    x = 191,417,606.05

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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.