Home / 5,280,876,040.90-7,921,314,061.35-2,659,667,311.30

Finding the Fourth Proportional to 5,280,876,040.90, 7,921,314,061.35 and 2,659,667,311.30

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Solution

The fourth proportional to 5,280,876,040.90, 7,921,314,061.35 and 2,659,667,311.30 is: 3,989,500,966.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,876,040.90 : 7,921,314,061.35 = 2,659,667,311.30 : x
  2. Step 2: Convert to fraction form
    5,280,876,040.90/7,921,314,061.35 = 2,659,667,311.30/x
  3. Step 3: Cross multiply
    5,280,876,040.90x = 7,921,314,061.35 × 2,659,667,311.30
  4. Step 4: Simplify right side
    5,280,876,040.90x = 21,068,060,071,513,640,960
  5. Step 5: Solve for x
    x = 21,068,060,071,513,640,960/5,280,876,040.90
  6. Step 6: Final answer
    x = 3,989,500,966.95

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Double scale
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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.