Home / 12,597,169,211.20-18,895,753,816.80-9,331,995,707.20

Finding the Fourth Proportional to 12,597,169,211.20, 18,895,753,816.80 and 9,331,995,707.20

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Solution

The fourth proportional to 12,597,169,211.20, 18,895,753,816.80 and 9,331,995,707.20 is: 13,997,993,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,597,169,211.20 : 18,895,753,816.80 = 9,331,995,707.20 : x
  2. Step 2: Convert to fraction form
    12,597,169,211.20/18,895,753,816.80 = 9,331,995,707.20/x
  3. Step 3: Cross multiply
    12,597,169,211.20x = 18,895,753,816.80 × 9,331,995,707.20
  4. Step 4: Simplify right side
    12,597,169,211.20x = 176,335,093,502,685,609,984
  5. Step 5: Solve for x
    x = 176,335,093,502,685,609,984/12,597,169,211.20
  6. Step 6: Final answer
    x = 13,997,993,560.80

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Double scale
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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.