Home / 1,990,657,394.60-2,985,986,091.90-1,377,070,860.20

Finding the Fourth Proportional to 1,990,657,394.60, 2,985,986,091.90 and 1,377,070,860.20

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Solution

The fourth proportional to 1,990,657,394.60, 2,985,986,091.90 and 1,377,070,860.20 is: 2,065,606,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,657,394.60 : 2,985,986,091.90 = 1,377,070,860.20 : x
  2. Step 2: Convert to fraction form
    1,990,657,394.60/2,985,986,091.90 = 1,377,070,860.20/x
  3. Step 3: Cross multiply
    1,990,657,394.60x = 2,985,986,091.90 × 1,377,070,860.20
  4. Step 4: Simplify right side
    1,990,657,394.60x = 4,111,914,436,117,969,408
  5. Step 5: Solve for x
    x = 4,111,914,436,117,969,408/1,990,657,394.60
  6. Step 6: Final answer
    x = 2,065,606,290.30

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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.