Home / 784,472,982.24-1,175,892,060.24-438,919,983.84

Finding the Fourth Proportional to 784,472,982.24, 1,175,892,060.24 and 438,919,983.84

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Solution

The fourth proportional to 784,472,982.24, 1,175,892,060.24 and 438,919,983.84 is: 657,922,625.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,472,982.24 : 1,175,892,060.24 = 438,919,983.84 : x
  2. Step 2: Convert to fraction form
    784,472,982.24/1,175,892,060.24 = 438,919,983.84/x
  3. Step 3: Cross multiply
    784,472,982.24x = 1,175,892,060.24 × 438,919,983.84
  4. Step 4: Simplify right side
    784,472,982.24x = 516,122,524,078,125,056
  5. Step 5: Solve for x
    x = 516,122,524,078,125,056/784,472,982.24
  6. Step 6: Final answer
    x = 657,922,625.46

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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.