Home / 18,406,419,417.20-27,609,629,125.80-12,773,995,122.80

Finding the Fourth Proportional to 18,406,419,417.20, 27,609,629,125.80 and 12,773,995,122.80

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Solution

The fourth proportional to 18,406,419,417.20, 27,609,629,125.80 and 12,773,995,122.80 is: 19,160,992,684.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,406,419,417.20 : 27,609,629,125.80 = 12,773,995,122.80 : x
  2. Step 2: Convert to fraction form
    18,406,419,417.20/27,609,629,125.80 = 12,773,995,122.80/x
  3. Step 3: Cross multiply
    18,406,419,417.20x = 27,609,629,125.80 × 12,773,995,122.80
  4. Step 4: Simplify right side
    18,406,419,417.20x = 352,685,267,795,285,966,848
  5. Step 5: Solve for x
    x = 352,685,267,795,285,966,848/18,406,419,417.20
  6. Step 6: Final answer
    x = 19,160,992,684.20

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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.