Home / 1,119,167,233.80-1,678,750,850.70-392,061,467.40

Finding the Fourth Proportional to 1,119,167,233.80, 1,678,750,850.70 and 392,061,467.40

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Solution

The fourth proportional to 1,119,167,233.80, 1,678,750,850.70 and 392,061,467.40 is: 588,092,201.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,167,233.80 : 1,678,750,850.70 = 392,061,467.40 : x
  2. Step 2: Convert to fraction form
    1,119,167,233.80/1,678,750,850.70 = 392,061,467.40/x
  3. Step 3: Cross multiply
    1,119,167,233.80x = 1,678,750,850.70 × 392,061,467.40
  4. Step 4: Simplify right side
    1,119,167,233.80x = 658,173,521,924,440,320
  5. Step 5: Solve for x
    x = 658,173,521,924,440,320/1,119,167,233.80
  6. Step 6: Final answer
    x = 588,092,201.10

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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.