Home / 1,679,628,101.10-2,519,442,151.65-710,279,717.10

Finding the Fourth Proportional to 1,679,628,101.10, 2,519,442,151.65 and 710,279,717.10

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Solution

The fourth proportional to 1,679,628,101.10, 2,519,442,151.65 and 710,279,717.10 is: 1,065,419,575.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,628,101.10 : 2,519,442,151.65 = 710,279,717.10 : x
  2. Step 2: Convert to fraction form
    1,679,628,101.10/2,519,442,151.65 = 710,279,717.10/x
  3. Step 3: Cross multiply
    1,679,628,101.10x = 2,519,442,151.65 × 710,279,717.10
  4. Step 4: Simplify right side
    1,679,628,101.10x = 1,789,508,658,723,777,536
  5. Step 5: Solve for x
    x = 1,789,508,658,723,777,536/1,679,628,101.10
  6. Step 6: Final answer
    x = 1,065,419,575.65

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Half scale
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Double scale
Find fourth proportional to 1,679,628,102.10, 2,519,442,153.15 and 710,279,718.10
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.