Home / 1,418,412,699.70-2,127,619,049.55-449,064,315.70

Finding the Fourth Proportional to 1,418,412,699.70, 2,127,619,049.55 and 449,064,315.70

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Solution

The fourth proportional to 1,418,412,699.70, 2,127,619,049.55 and 449,064,315.70 is: 673,596,473.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,412,699.70 : 2,127,619,049.55 = 449,064,315.70 : x
  2. Step 2: Convert to fraction form
    1,418,412,699.70/2,127,619,049.55 = 449,064,315.70/x
  3. Step 3: Cross multiply
    1,418,412,699.70x = 2,127,619,049.55 × 449,064,315.70
  4. Step 4: Simplify right side
    1,418,412,699.70x = 955,437,792,556,455,040
  5. Step 5: Solve for x
    x = 955,437,792,556,455,040/1,418,412,699.70
  6. Step 6: Final answer
    x = 673,596,473.55

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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.