Home / 1,679,628,007.10-2,519,442,010.65-710,279,623.10

Finding the Fourth Proportional to 1,679,628,007.10, 2,519,442,010.65 and 710,279,623.10

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Solution

The fourth proportional to 1,679,628,007.10, 2,519,442,010.65 and 710,279,623.10 is: 1,065,419,434.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,628,007.10 : 2,519,442,010.65 = 710,279,623.10 : x
  2. Step 2: Convert to fraction form
    1,679,628,007.10/2,519,442,010.65 = 710,279,623.10/x
  3. Step 3: Cross multiply
    1,679,628,007.10x = 2,519,442,010.65 × 710,279,623.10
  4. Step 4: Simplify right side
    1,679,628,007.10x = 1,789,508,321,746,788,352
  5. Step 5: Solve for x
    x = 1,789,508,321,746,788,352/1,679,628,007.10
  6. Step 6: Final answer
    x = 1,065,419,434.65

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Double scale
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Similar ratio
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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.