Home / 834,398,081.40-1,251,590,901.30-252,131,201.40

Finding the Fourth Proportional to 834,398,081.40, 1,251,590,901.30 and 252,131,201.40

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Solution

The fourth proportional to 834,398,081.40, 1,251,590,901.30 and 252,131,201.40 is: 378,194,922.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,398,081.40 : 1,251,590,901.30 = 252,131,201.40 : x
  2. Step 2: Convert to fraction form
    834,398,081.40/1,251,590,901.30 = 252,131,201.40/x
  3. Step 3: Cross multiply
    834,398,081.40x = 1,251,590,901.30 × 252,131,201.40
  4. Step 4: Simplify right side
    834,398,081.40x = 315,565,117,606,077,824
  5. Step 5: Solve for x
    x = 315,565,117,606,077,824/834,398,081.40
  6. Step 6: Final answer
    x = 378,194,922.35

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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.