Home / 289,694,001.70-434,541,002.55-197,860,996.90

Finding the Fourth Proportional to 289,694,001.70, 434,541,002.55 and 197,860,996.90

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Solution

The fourth proportional to 289,694,001.70, 434,541,002.55 and 197,860,996.90 is: 296,791,495.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,694,001.70 : 434,541,002.55 = 197,860,996.90 : x
  2. Step 2: Convert to fraction form
    289,694,001.70/434,541,002.55 = 197,860,996.90/x
  3. Step 3: Cross multiply
    289,694,001.70x = 434,541,002.55 × 197,860,996.90
  4. Step 4: Simplify right side
    289,694,001.70x = 85,978,715,958,468,448
  5. Step 5: Solve for x
    x = 85,978,715,958,468,448/289,694,001.70
  6. Step 6: Final answer
    x = 296,791,495.35

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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.