Home / 434,520,616.60-651,780,924.90-188,835,442.30

Finding the Fourth Proportional to 434,520,616.60, 651,780,924.90 and 188,835,442.30

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Solution

The fourth proportional to 434,520,616.60, 651,780,924.90 and 188,835,442.30 is: 283,253,163.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,520,616.60 : 651,780,924.90 = 188,835,442.30 : x
  2. Step 2: Convert to fraction form
    434,520,616.60/651,780,924.90 = 188,835,442.30/x
  3. Step 3: Cross multiply
    434,520,616.60x = 651,780,924.90 × 188,835,442.30
  4. Step 4: Simplify right side
    434,520,616.60x = 123,079,339,236,194,592
  5. Step 5: Solve for x
    x = 123,079,339,236,194,592/434,520,616.60
  6. Step 6: Final answer
    x = 283,253,163.45

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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.