Home / 2,680,458,531.60-4,020,687,797.40-1,991,710,995.60

Finding the Fourth Proportional to 2,680,458,531.60, 4,020,687,797.40 and 1,991,710,995.60

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Solution

The fourth proportional to 2,680,458,531.60, 4,020,687,797.40 and 1,991,710,995.60 is: 2,987,566,493.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,458,531.60 : 4,020,687,797.40 = 1,991,710,995.60 : x
  2. Step 2: Convert to fraction form
    2,680,458,531.60/4,020,687,797.40 = 1,991,710,995.60/x
  3. Step 3: Cross multiply
    2,680,458,531.60x = 4,020,687,797.40 × 1,991,710,995.60
  4. Step 4: Simplify right side
    2,680,458,531.60x = 8,008,048,095,956,325,376
  5. Step 5: Solve for x
    x = 8,008,048,095,956,325,376/2,680,458,531.60
  6. Step 6: Final answer
    x = 2,987,566,493.40

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Double scale
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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.