Home / 397,029,757.10-595,544,635.65-287,340,334.70

Finding the Fourth Proportional to 397,029,757.10, 595,544,635.65 and 287,340,334.70

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Solution

The fourth proportional to 397,029,757.10, 595,544,635.65 and 287,340,334.70 is: 431,010,502.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,029,757.10 : 595,544,635.65 = 287,340,334.70 : x
  2. Step 2: Convert to fraction form
    397,029,757.10/595,544,635.65 = 287,340,334.70/x
  3. Step 3: Cross multiply
    397,029,757.10x = 595,544,635.65 × 287,340,334.70
  4. Step 4: Simplify right side
    397,029,757.10x = 171,123,994,936,460,544
  5. Step 5: Solve for x
    x = 171,123,994,936,460,544/397,029,757.10
  6. Step 6: Final answer
    x = 431,010,502.05

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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.