Home / 355,687,605.10-490,838,352.90-196,924,803.88

Finding the Fourth Proportional to 355,687,605.10, 490,838,352.90 and 196,924,803.88

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Solution

The fourth proportional to 355,687,605.10, 490,838,352.90 and 196,924,803.88 is: 271,750,392.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,687,605.10 : 490,838,352.90 = 196,924,803.88 : x
  2. Step 2: Convert to fraction form
    355,687,605.10/490,838,352.90 = 196,924,803.88/x
  3. Step 3: Cross multiply
    355,687,605.10x = 490,838,352.90 × 196,924,803.88
  4. Step 4: Simplify right side
    355,687,605.10x = 96,658,246,381,614,720
  5. Step 5: Solve for x
    x = 96,658,246,381,614,720/355,687,605.10
  6. Step 6: Final answer
    x = 271,750,392.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.