Home / 2,208,385,067.20-3,312,577,600.80-655,915,998.40

Finding the Fourth Proportional to 2,208,385,067.20, 3,312,577,600.80 and 655,915,998.40

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Solution

The fourth proportional to 2,208,385,067.20, 3,312,577,600.80 and 655,915,998.40 is: 983,873,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,385,067.20 : 3,312,577,600.80 = 655,915,998.40 : x
  2. Step 2: Convert to fraction form
    2,208,385,067.20/3,312,577,600.80 = 655,915,998.40/x
  3. Step 3: Cross multiply
    2,208,385,067.20x = 3,312,577,600.80 × 655,915,998.40
  4. Step 4: Simplify right side
    2,208,385,067.20x = 2,172,772,644,306,208,768
  5. Step 5: Solve for x
    x = 2,172,772,644,306,208,768/2,208,385,067.20
  6. Step 6: Final answer
    x = 983,873,997.60

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Double scale
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Similar ratio
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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.