Home / 442,857,000.45-664,282,001.48-115,331,880.45

Finding the Fourth Proportional to 442,857,000.45, 664,282,001.48 and 115,331,880.45

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Solution

The fourth proportional to 442,857,000.45, 664,282,001.48 and 115,331,880.45 is: 172,996,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,857,000.45 : 664,282,001.48 = 115,331,880.45 : x
  2. Step 2: Convert to fraction form
    442,857,000.45/664,282,001.48 = 115,331,880.45/x
  3. Step 3: Cross multiply
    442,857,000.45x = 664,282,001.48 × 115,331,880.45
  4. Step 4: Simplify right side
    442,857,000.45x = 76,612,892,379,201,424
  5. Step 5: Solve for x
    x = 76,612,892,379,201,424/442,857,000.45
  6. Step 6: Final answer
    x = 172,996,909.39

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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.