Home / 397,177,351,560.40-595,766,027,340.60-318,813,187,464.40

Finding the Fourth Proportional to 397,177,351,560.40, 595,766,027,340.60 and 318,813,187,464.40

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Solution

The fourth proportional to 397,177,351,560.40, 595,766,027,340.60 and 318,813,187,464.40 is: 478,219,781,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,177,351,560.40 : 595,766,027,340.60 = 318,813,187,464.40 : x
  2. Step 2: Convert to fraction form
    397,177,351,560.40/595,766,027,340.60 = 318,813,187,464.40/x
  3. Step 3: Cross multiply
    397,177,351,560.40x = 595,766,027,340.60 × 318,813,187,464.40
  4. Step 4: Simplify right side
    397,177,351,560.40x = 189,938,066,159,459,557,703,680
  5. Step 5: Solve for x
    x = 189,938,066,159,459,557,703,680/397,177,351,560.40
  6. Step 6: Final answer
    x = 478,219,781,196.60

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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.