Home / 78,807,225,011.46-118,399,422,086.38-50,532,552,992.98

Finding the Fourth Proportional to 78,807,225,011.46, 118,399,422,086.38 and 50,532,552,992.98

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Solution

The fourth proportional to 78,807,225,011.46, 118,399,422,086.38 and 50,532,552,992.98 is: 75,919,753,170.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,807,225,011.46 : 118,399,422,086.38 = 50,532,552,992.98 : x
  2. Step 2: Convert to fraction form
    78,807,225,011.46/118,399,422,086.38 = 50,532,552,992.98/x
  3. Step 3: Cross multiply
    78,807,225,011.46x = 118,399,422,086.38 × 50,532,552,992.98
  4. Step 4: Simplify right side
    78,807,225,011.46x = 5,983,025,070,918,204,391,424
  5. Step 5: Solve for x
    x = 5,983,025,070,918,204,391,424/78,807,225,011.46
  6. Step 6: Final answer
    x = 75,919,753,170.45

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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.