Home / 387,096,490.40-580,812,697.20-195,620,266.40

Finding the Fourth Proportional to 387,096,490.40, 580,812,697.20 and 195,620,266.40

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Solution

The fourth proportional to 387,096,490.40, 580,812,697.20 and 195,620,266.40 is: 293,515,279.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,096,490.40 : 580,812,697.20 = 195,620,266.40 : x
  2. Step 2: Convert to fraction form
    387,096,490.40/580,812,697.20 = 195,620,266.40/x
  3. Step 3: Cross multiply
    387,096,490.40x = 580,812,697.20 × 195,620,266.40
  4. Step 4: Simplify right side
    387,096,490.40x = 113,618,734,554,766,544
  5. Step 5: Solve for x
    x = 113,618,734,554,766,544/387,096,490.40
  6. Step 6: Final answer
    x = 293,515,279.45

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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.