Home / 858,063,748.32-1,287,107,579.88-244,647,974.07

Finding the Fourth Proportional to 858,063,748.32, 1,287,107,579.88 and 244,647,974.07

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Solution

The fourth proportional to 858,063,748.32, 1,287,107,579.88 and 244,647,974.07 is: 366,975,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,063,748.32 : 1,287,107,579.88 = 244,647,974.07 : x
  2. Step 2: Convert to fraction form
    858,063,748.32/1,287,107,579.88 = 244,647,974.07/x
  3. Step 3: Cross multiply
    858,063,748.32x = 1,287,107,579.88 × 244,647,974.07
  4. Step 4: Simplify right side
    858,063,748.32x = 314,888,261,827,782,720
  5. Step 5: Solve for x
    x = 314,888,261,827,782,720/858,063,748.32
  6. Step 6: Final answer
    x = 366,975,370.35

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1.5x scale

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.