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Finding the Fourth Proportional to 181,478,721,817.80, 272,218,082,726.70 and 181,478,721,817.80

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Solution

The fourth proportional to 181,478,721,817.80, 272,218,082,726.70 and 181,478,721,817.80 is: 272,218,082,726.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,478,721,817.80 : 272,218,082,726.70 = 181,478,721,817.80 : x
  2. Step 2: Convert to fraction form
    181,478,721,817.80/272,218,082,726.70 = 181,478,721,817.80/x
  3. Step 3: Cross multiply
    181,478,721,817.80x = 272,218,082,726.70 × 181,478,721,817.80
  4. Step 4: Simplify right side
    181,478,721,817.80x = 49,401,789,708,933,659,623,424
  5. Step 5: Solve for x
    x = 49,401,789,708,933,659,623,424/181,478,721,817.80
  6. Step 6: Final answer
    x = 272,218,082,726.70

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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.