Home / 1,408,785,079.96-1,944,278,803.11-806,011,706.98

Finding the Fourth Proportional to 1,408,785,079.96, 1,944,278,803.11 and 806,011,706.98

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Solution

The fourth proportional to 1,408,785,079.96, 1,944,278,803.11 and 806,011,706.98 is: 1,112,385,060.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,785,079.96 : 1,944,278,803.11 = 806,011,706.98 : x
  2. Step 2: Convert to fraction form
    1,408,785,079.96/1,944,278,803.11 = 806,011,706.98/x
  3. Step 3: Cross multiply
    1,408,785,079.96x = 1,944,278,803.11 × 806,011,706.98
  4. Step 4: Simplify right side
    1,408,785,079.96x = 1,567,111,476,939,722,496
  5. Step 5: Solve for x
    x = 1,567,111,476,939,722,496/1,408,785,079.96
  6. Step 6: Final answer
    x = 1,112,385,060.88

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.