Home / 1,482,067,419.36-2,220,295,081.68-989,294,834.40

Finding the Fourth Proportional to 1,482,067,419.36, 2,220,295,081.68 and 989,294,834.40

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Solution

The fourth proportional to 1,482,067,419.36, 2,220,295,081.68 and 989,294,834.40 is: 1,482,069,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482,067,419.36 : 2,220,295,081.68 = 989,294,834.40 : x
  2. Step 2: Convert to fraction form
    1,482,067,419.36/2,220,295,081.68 = 989,294,834.40/x
  3. Step 3: Cross multiply
    1,482,067,419.36x = 2,220,295,081.68 × 989,294,834.40
  4. Step 4: Simplify right side
    1,482,067,419.36x = 2,196,526,455,149,749,760
  5. Step 5: Solve for x
    x = 2,196,526,455,149,749,760/1,482,067,419.36
  6. Step 6: Final answer
    x = 1,482,069,186.91

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1.5x scale

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.