Home / 8,780,047,019.09-13,172,657,662.10-3,536,957,188.61

Finding the Fourth Proportional to 8,780,047,019.09, 13,172,657,662.10 and 3,536,957,188.61

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Solution

The fourth proportional to 8,780,047,019.09, 13,172,657,662.10 and 3,536,957,188.61 is: 5,306,477,984.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780,047,019.09 : 13,172,657,662.10 = 3,536,957,188.61 : x
  2. Step 2: Convert to fraction form
    8,780,047,019.09/13,172,657,662.10 = 3,536,957,188.61/x
  3. Step 3: Cross multiply
    8,780,047,019.09x = 13,172,657,662.10 × 3,536,957,188.61
  4. Step 4: Simplify right side
    8,780,047,019.09x = 46,591,126,211,007,938,560
  5. Step 5: Solve for x
    x = 46,591,126,211,007,938,560/8,780,047,019.09
  6. Step 6: Final answer
    x = 5,306,477,984.65

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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.