Home / 18,358,538,129.88-27,543,427,229.86-9,401,069,618.16

Finding the Fourth Proportional to 18,358,538,129.88, 27,543,427,229.86 and 9,401,069,618.16

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Solution

The fourth proportional to 18,358,538,129.88, 27,543,427,229.86 and 9,401,069,618.16 is: 14,104,482,343.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358,538,129.88 : 27,543,427,229.86 = 9,401,069,618.16 : x
  2. Step 2: Convert to fraction form
    18,358,538,129.88/27,543,427,229.86 = 9,401,069,618.16/x
  3. Step 3: Cross multiply
    18,358,538,129.88x = 27,543,427,229.86 × 9,401,069,618.16
  4. Step 4: Simplify right side
    18,358,538,129.88x = 258,937,676,910,637,711,360
  5. Step 5: Solve for x
    x = 258,937,676,910,637,711,360/18,358,538,129.88
  6. Step 6: Final answer
    x = 14,104,482,343.79

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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.