Home / 820,926,474.12-1,132,864,532.48-444,580,003.82

Finding the Fourth Proportional to 820,926,474.12, 1,132,864,532.48 and 444,580,003.82

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Solution

The fourth proportional to 820,926,474.12, 1,132,864,532.48 and 444,580,003.82 is: 613,512,822.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,926,474.12 : 1,132,864,532.48 = 444,580,003.82 : x
  2. Step 2: Convert to fraction form
    820,926,474.12/1,132,864,532.48 = 444,580,003.82/x
  3. Step 3: Cross multiply
    820,926,474.12x = 1,132,864,532.48 × 444,580,003.82
  4. Step 4: Simplify right side
    820,926,474.12x = 503,648,918,169,613,632
  5. Step 5: Solve for x
    x = 503,648,918,169,613,632/820,926,474.12
  6. Step 6: Final answer
    x = 613,512,822.46

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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.