Home / 10,915,902,697.80-15,063,945,606.32-5,903,650,121.35

Finding the Fourth Proportional to 10,915,902,697.80, 15,063,945,606.32 and 5,903,650,121.35

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Solution

The fourth proportional to 10,915,902,697.80, 15,063,945,606.32 and 5,903,650,121.35 is: 8,147,037,104.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915,902,697.80 : 15,063,945,606.32 = 5,903,650,121.35 : x
  2. Step 2: Convert to fraction form
    10,915,902,697.80/15,063,945,606.32 = 5,903,650,121.35/x
  3. Step 3: Cross multiply
    10,915,902,697.80x = 15,063,945,606.32 × 5,903,650,121.35
  4. Step 4: Simplify right side
    10,915,902,697.80x = 88,932,264,306,760,876,032
  5. Step 5: Solve for x
    x = 88,932,264,306,760,876,032/10,915,902,697.80
  6. Step 6: Final answer
    x = 8,147,037,104.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.