Home / 243,481,184,145.40-365,221,776,218.10-205,823,912,614.60

Finding the Fourth Proportional to 243,481,184,145.40, 365,221,776,218.10 and 205,823,912,614.60

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Solution

The fourth proportional to 243,481,184,145.40, 365,221,776,218.10 and 205,823,912,614.60 is: 308,735,868,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,481,184,145.40 : 365,221,776,218.10 = 205,823,912,614.60 : x
  2. Step 2: Convert to fraction form
    243,481,184,145.40/365,221,776,218.10 = 205,823,912,614.60/x
  3. Step 3: Cross multiply
    243,481,184,145.40x = 365,221,776,218.10 × 205,823,912,614.60
  4. Step 4: Simplify right side
    243,481,184,145.40x = 75,171,374,953,263,207,022,592
  5. Step 5: Solve for x
    x = 75,171,374,953,263,207,022,592/243,481,184,145.40
  6. Step 6: Final answer
    x = 308,735,868,921.90

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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.