Home / 13,339,181,760.48-18,407,961,876.91-7,235,519,040.47

Finding the Fourth Proportional to 13,339,181,760.48, 18,407,961,876.91 and 7,235,519,040.47

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Solution

The fourth proportional to 13,339,181,760.48, 18,407,961,876.91 and 7,235,519,040.47 is: 9,984,957,177.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,339,181,760.48 : 18,407,961,876.91 = 7,235,519,040.47 : x
  2. Step 2: Convert to fraction form
    13,339,181,760.48/18,407,961,876.91 = 7,235,519,040.47/x
  3. Step 3: Cross multiply
    13,339,181,760.48x = 18,407,961,876.91 × 7,235,519,040.47
  4. Step 4: Simplify right side
    13,339,181,760.48x = 133,191,158,656,667,467,776
  5. Step 5: Solve for x
    x = 133,191,158,656,667,467,776/13,339,181,760.48
  6. Step 6: Final answer
    x = 9,984,957,177.16

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Double scale
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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.