Home / 7,820,282,913.72-10,791,914,548.86-4,251,989,771.16

Finding the Fourth Proportional to 7,820,282,913.72, 10,791,914,548.86 and 4,251,989,771.16

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Solution

The fourth proportional to 7,820,282,913.72, 10,791,914,548.86 and 4,251,989,771.16 is: 5,867,704,631.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820,282,913.72 : 10,791,914,548.86 = 4,251,989,771.16 : x
  2. Step 2: Convert to fraction form
    7,820,282,913.72/10,791,914,548.86 = 4,251,989,771.16/x
  3. Step 3: Cross multiply
    7,820,282,913.72x = 10,791,914,548.86 × 4,251,989,771.16
  4. Step 4: Simplify right side
    7,820,282,913.72x = 45,887,110,272,985,505,792
  5. Step 5: Solve for x
    x = 45,887,110,272,985,505,792/7,820,282,913.72
  6. Step 6: Final answer
    x = 5,867,704,631.57

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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.