Home / 630,424,436,727.75-869,986,561,657.55-341,393,194,579.70

Finding the Fourth Proportional to 630,424,436,727.75, 869,986,561,657.55 and 341,393,194,579.70

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Solution

The fourth proportional to 630,424,436,727.75, 869,986,561,657.55 and 341,393,194,579.70 is: 471,123,062,848.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,424,436,727.75 : 869,986,561,657.55 = 341,393,194,579.70 : x
  2. Step 2: Convert to fraction form
    630,424,436,727.75/869,986,561,657.55 = 341,393,194,579.70/x
  3. Step 3: Cross multiply
    630,424,436,727.75x = 869,986,561,657.55 × 341,393,194,579.70
  4. Step 4: Simplify right side
    630,424,436,727.75x = 297,007,491,525,680,172,105,728
  5. Step 5: Solve for x
    x = 297,007,491,525,680,172,105,728/630,424,436,727.75
  6. Step 6: Final answer
    x = 471,123,062,848.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.