Home / 5,280,303,982.15-7,920,455,973.23-2,659,095,252.55

Finding the Fourth Proportional to 5,280,303,982.15, 7,920,455,973.23 and 2,659,095,252.55

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Solution

The fourth proportional to 5,280,303,982.15, 7,920,455,973.23 and 2,659,095,252.55 is: 3,988,642,878.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,303,982.15 : 7,920,455,973.23 = 2,659,095,252.55 : x
  2. Step 2: Convert to fraction form
    5,280,303,982.15/7,920,455,973.23 = 2,659,095,252.55/x
  3. Step 3: Cross multiply
    5,280,303,982.15x = 7,920,455,973.23 × 2,659,095,252.55
  4. Step 4: Simplify right side
    5,280,303,982.15x = 21,061,246,876,447,182,848
  5. Step 5: Solve for x
    x = 21,061,246,876,447,182,848/5,280,303,982.15
  6. Step 6: Final answer
    x = 3,988,642,878.83

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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.