Home / 434,520,617.60-651,780,926.40-188,835,443.30

Finding the Fourth Proportional to 434,520,617.60, 651,780,926.40 and 188,835,443.30

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Solution

The fourth proportional to 434,520,617.60, 651,780,926.40 and 188,835,443.30 is: 283,253,164.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,520,617.60 : 651,780,926.40 = 188,835,443.30 : x
  2. Step 2: Convert to fraction form
    434,520,617.60/651,780,926.40 = 188,835,443.30/x
  3. Step 3: Cross multiply
    434,520,617.60x = 651,780,926.40 × 188,835,443.30
  4. Step 4: Simplify right side
    434,520,617.60x = 123,079,340,171,228,672
  5. Step 5: Solve for x
    x = 123,079,340,171,228,672/434,520,617.60
  6. Step 6: Final answer
    x = 283,253,164.95

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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.