Home / 12,555,806,318.52-18,827,169,887.90-5,921,654,185.38

Finding the Fourth Proportional to 12,555,806,318.52, 18,827,169,887.90 and 5,921,654,185.38

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Solution

The fourth proportional to 12,555,806,318.52, 18,827,169,887.90 and 5,921,654,185.38 is: 8,879,397,032.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555,806,318.52 : 18,827,169,887.90 = 5,921,654,185.38 : x
  2. Step 2: Convert to fraction form
    12,555,806,318.52/18,827,169,887.90 = 5,921,654,185.38/x
  3. Step 3: Cross multiply
    12,555,806,318.52x = 18,827,169,887.90 × 5,921,654,185.38
  4. Step 4: Simplify right side
    12,555,806,318.52x = 111,487,989,365,543,354,368
  5. Step 5: Solve for x
    x = 111,487,989,365,543,354,368/12,555,806,318.52
  6. Step 6: Final answer
    x = 8,879,397,032.52

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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.