Home / 7,820,282,912.72-10,791,914,547.48-4,251,989,770.16

Finding the Fourth Proportional to 7,820,282,912.72, 10,791,914,547.48 and 4,251,989,770.16

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Solution

The fourth proportional to 7,820,282,912.72, 10,791,914,547.48 and 4,251,989,770.16 is: 5,867,704,630.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820,282,912.72 : 10,791,914,547.48 = 4,251,989,770.16 : x
  2. Step 2: Convert to fraction form
    7,820,282,912.72/10,791,914,547.48 = 4,251,989,770.16/x
  3. Step 3: Cross multiply
    7,820,282,912.72x = 10,791,914,547.48 × 4,251,989,770.16
  4. Step 4: Simplify right side
    7,820,282,912.72x = 45,887,110,256,325,844,992
  5. Step 5: Solve for x
    x = 45,887,110,256,325,844,992/7,820,282,912.72
  6. Step 6: Final answer
    x = 5,867,704,630.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.