Home / 363,350,156.40-544,375,695.60-221,120,798.40

Finding the Fourth Proportional to 363,350,156.40, 544,375,695.60 and 221,120,798.40

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Solution

The fourth proportional to 363,350,156.40, 544,375,695.60 and 221,120,798.40 is: 331,285,913.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,350,156.40 : 544,375,695.60 = 221,120,798.40 : x
  2. Step 2: Convert to fraction form
    363,350,156.40/544,375,695.60 = 221,120,798.40/x
  3. Step 3: Cross multiply
    363,350,156.40x = 544,375,695.60 × 221,120,798.40
  4. Step 4: Simplify right side
    363,350,156.40x = 120,372,788,440,627,376
  5. Step 5: Solve for x
    x = 120,372,788,440,627,376/363,350,156.40
  6. Step 6: Final answer
    x = 331,285,913.38

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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.