Home / 834,588,023.46-1,251,916,080.42-212,819,380.62

Finding the Fourth Proportional to 834,588,023.46, 1,251,916,080.42 and 212,819,380.62

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Solution

The fourth proportional to 834,588,023.46, 1,251,916,080.42 and 212,819,380.62 is: 319,237,752.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,588,023.46 : 1,251,916,080.42 = 212,819,380.62 : x
  2. Step 2: Convert to fraction form
    834,588,023.46/1,251,916,080.42 = 212,819,380.62/x
  3. Step 3: Cross multiply
    834,588,023.46x = 1,251,916,080.42 × 212,819,380.62
  4. Step 4: Simplify right side
    834,588,023.46x = 266,432,004,823,202,528
  5. Step 5: Solve for x
    x = 266,432,004,823,202,528/834,588,023.46
  6. Step 6: Final answer
    x = 319,237,752.44

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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.