Home / 5,280,876,036.40-7,921,314,054.60-2,659,667,306.80

Finding the Fourth Proportional to 5,280,876,036.40, 7,921,314,054.60 and 2,659,667,306.80

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Solution

The fourth proportional to 5,280,876,036.40, 7,921,314,054.60 and 2,659,667,306.80 is: 3,989,500,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,876,036.40 : 7,921,314,054.60 = 2,659,667,306.80 : x
  2. Step 2: Convert to fraction form
    5,280,876,036.40/7,921,314,054.60 = 2,659,667,306.80/x
  3. Step 3: Cross multiply
    5,280,876,036.40x = 7,921,314,054.60 × 2,659,667,306.80
  4. Step 4: Simplify right side
    5,280,876,036.40x = 21,068,060,017,914,974,208
  5. Step 5: Solve for x
    x = 21,068,060,017,914,974,208/5,280,876,036.40
  6. Step 6: Final answer
    x = 3,989,500,960.20

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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.