Home / 8,780,049,004.56-13,172,660,655.12-3,536,959,180.56

Finding the Fourth Proportional to 8,780,049,004.56, 13,172,660,655.12 and 3,536,959,180.56

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Solution

The fourth proportional to 8,780,049,004.56, 13,172,660,655.12 and 3,536,959,180.56 is: 5,306,480,978.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780,049,004.56 : 13,172,660,655.12 = 3,536,959,180.56 : x
  2. Step 2: Convert to fraction form
    8,780,049,004.56/13,172,660,655.12 = 3,536,959,180.56/x
  3. Step 3: Cross multiply
    8,780,049,004.56x = 13,172,660,655.12 × 3,536,959,180.56
  4. Step 4: Simplify right side
    8,780,049,004.56x = 46,591,163,036,528,189,440
  5. Step 5: Solve for x
    x = 46,591,163,036,528,189,440/8,780,049,004.56
  6. Step 6: Final answer
    x = 5,306,480,978.90

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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.