Home / 13,980,225,804.20-20,970,338,706.30-8,494,375,999.40

Finding the Fourth Proportional to 13,980,225,804.20, 20,970,338,706.30 and 8,494,375,999.40

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Solution

The fourth proportional to 13,980,225,804.20, 20,970,338,706.30 and 8,494,375,999.40 is: 12,741,563,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980,225,804.20 : 20,970,338,706.30 = 8,494,375,999.40 : x
  2. Step 2: Convert to fraction form
    13,980,225,804.20/20,970,338,706.30 = 8,494,375,999.40/x
  3. Step 3: Cross multiply
    13,980,225,804.20x = 20,970,338,706.30 × 8,494,375,999.40
  4. Step 4: Simplify right side
    13,980,225,804.20x = 178,129,941,806,083,538,944
  5. Step 5: Solve for x
    x = 178,129,941,806,083,538,944/13,980,225,804.20
  6. Step 6: Final answer
    x = 12,741,563,999.10

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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.