Home / 45,514,417,870.20-68,271,626,805.30-19,338,610,279.80

Finding the Fourth Proportional to 45,514,417,870.20, 68,271,626,805.30 and 19,338,610,279.80

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Solution

The fourth proportional to 45,514,417,870.20, 68,271,626,805.30 and 19,338,610,279.80 is: 29,007,915,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,514,417,870.20 : 68,271,626,805.30 = 19,338,610,279.80 : x
  2. Step 2: Convert to fraction form
    45,514,417,870.20/68,271,626,805.30 = 19,338,610,279.80/x
  3. Step 3: Cross multiply
    45,514,417,870.20x = 68,271,626,805.30 × 19,338,610,279.80
  4. Step 4: Simplify right side
    45,514,417,870.20x = 1,320,278,383,955,643,727,872
  5. Step 5: Solve for x
    x = 1,320,278,383,955,643,727,872/45,514,417,870.20
  6. Step 6: Final answer
    x = 29,007,915,419.70

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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.