Home / 834,972,149.04-1,251,905,393.16-398,340,223.44

Finding the Fourth Proportional to 834,972,149.04, 1,251,905,393.16 and 398,340,223.44

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Solution

The fourth proportional to 834,972,149.04, 1,251,905,393.16 and 398,340,223.44 is: 597,246,596.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,972,149.04 : 1,251,905,393.16 = 398,340,223.44 : x
  2. Step 2: Convert to fraction form
    834,972,149.04/1,251,905,393.16 = 398,340,223.44/x
  3. Step 3: Cross multiply
    834,972,149.04x = 1,251,905,393.16 × 398,340,223.44
  4. Step 4: Simplify right side
    834,972,149.04x = 498,684,274,037,095,488
  5. Step 5: Solve for x
    x = 498,684,274,037,095,488/834,972,149.04
  6. Step 6: Final answer
    x = 597,246,596.32

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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.