Home / 769,824,279.20-1,154,736,418.80-715,404,720.80

Finding the Fourth Proportional to 769,824,279.20, 1,154,736,418.80 and 715,404,720.80

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Solution

The fourth proportional to 769,824,279.20, 1,154,736,418.80 and 715,404,720.80 is: 1,073,107,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,824,279.20 : 1,154,736,418.80 = 715,404,720.80 : x
  2. Step 2: Convert to fraction form
    769,824,279.20/1,154,736,418.80 = 715,404,720.80/x
  3. Step 3: Cross multiply
    769,824,279.20x = 1,154,736,418.80 × 715,404,720.80
  4. Step 4: Simplify right side
    769,824,279.20x = 826,103,885,289,205,760
  5. Step 5: Solve for x
    x = 826,103,885,289,205,760/769,824,279.20
  6. Step 6: Final answer
    x = 1,073,107,081.20

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Double scale
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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.