Home / 1,341,901,781.40-2,012,179,108.77-781,844,892.42

Finding the Fourth Proportional to 1,341,901,781.40, 2,012,179,108.77 and 781,844,892.42

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Solution

The fourth proportional to 1,341,901,781.40, 2,012,179,108.77 and 781,844,892.42 is: 1,172,374,894.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,901,781.40 : 2,012,179,108.77 = 781,844,892.42 : x
  2. Step 2: Convert to fraction form
    1,341,901,781.40/2,012,179,108.77 = 781,844,892.42/x
  3. Step 3: Cross multiply
    1,341,901,781.40x = 2,012,179,108.77 × 781,844,892.42
  4. Step 4: Simplify right side
    1,341,901,781.40x = 1,573,211,958,826,052,096
  5. Step 5: Solve for x
    x = 1,573,211,958,826,052,096/1,341,901,781.40
  6. Step 6: Final answer
    x = 1,172,374,894.07

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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.