Home / 3,988,057,174.10-5,976,738,570.74-3,103,810,279.98

Finding the Fourth Proportional to 3,988,057,174.10, 5,976,738,570.74 and 3,103,810,279.98

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Solution

The fourth proportional to 3,988,057,174.10, 5,976,738,570.74 and 3,103,810,279.98 is: 4,651,553,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988,057,174.10 : 5,976,738,570.74 = 3,103,810,279.98 : x
  2. Step 2: Convert to fraction form
    3,988,057,174.10/5,976,738,570.74 = 3,103,810,279.98/x
  3. Step 3: Cross multiply
    3,988,057,174.10x = 5,976,738,570.74 × 3,103,810,279.98
  4. Step 4: Simplify right side
    3,988,057,174.10x = 18,550,662,616,615,784,448
  5. Step 5: Solve for x
    x = 18,550,662,616,615,784,448/3,988,057,174.10
  6. Step 6: Final answer
    x = 4,651,553,828.54

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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.