Home / 2,071,789,781.20-3,107,684,671.80-1,418,755,080.40

Finding the Fourth Proportional to 2,071,789,781.20, 3,107,684,671.80 and 1,418,755,080.40

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Solution

The fourth proportional to 2,071,789,781.20, 3,107,684,671.80 and 1,418,755,080.40 is: 2,128,132,620.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,789,781.20 : 3,107,684,671.80 = 1,418,755,080.40 : x
  2. Step 2: Convert to fraction form
    2,071,789,781.20/3,107,684,671.80 = 1,418,755,080.40/x
  3. Step 3: Cross multiply
    2,071,789,781.20x = 3,107,684,671.80 × 1,418,755,080.40
  4. Step 4: Simplify right side
    2,071,789,781.20x = 4,409,043,416,397,457,408
  5. Step 5: Solve for x
    x = 4,409,043,416,397,457,408/2,071,789,781.20
  6. Step 6: Final answer
    x = 2,128,132,620.60

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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.