Home / 345,438,524.40-517,401,959.40-300,088,892.40

Finding the Fourth Proportional to 345,438,524.40, 517,401,959.40 and 300,088,892.40

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Solution

The fourth proportional to 345,438,524.40, 517,401,959.40 and 300,088,892.40 is: 449,476,737.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,438,524.40 : 517,401,959.40 = 300,088,892.40 : x
  2. Step 2: Convert to fraction form
    345,438,524.40/517,401,959.40 = 300,088,892.40/x
  3. Step 3: Cross multiply
    345,438,524.40x = 517,401,959.40 × 300,088,892.40
  4. Step 4: Simplify right side
    345,438,524.40x = 155,266,580,921,935,744
  5. Step 5: Solve for x
    x = 155,266,580,921,935,744/345,438,524.40
  6. Step 6: Final answer
    x = 449,476,737.41

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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.