Home / 18,358,538,132.25-27,543,427,233.42-9,401,069,620.53

Finding the Fourth Proportional to 18,358,538,132.25, 27,543,427,233.42 and 9,401,069,620.53

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Solution

The fourth proportional to 18,358,538,132.25, 27,543,427,233.42 and 9,401,069,620.53 is: 14,104,482,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358,538,132.25 : 27,543,427,233.42 = 9,401,069,620.53 : x
  2. Step 2: Convert to fraction form
    18,358,538,132.25/27,543,427,233.42 = 9,401,069,620.53/x
  3. Step 3: Cross multiply
    18,358,538,132.25x = 27,543,427,233.42 × 9,401,069,620.53
  4. Step 4: Simplify right side
    18,358,538,132.25x = 258,937,677,009,383,424,000
  5. Step 5: Solve for x
    x = 258,937,677,009,383,424,000/18,358,538,132.25
  6. Step 6: Final answer
    x = 14,104,482,347.35

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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.