Home / 820,926,475.12-1,132,864,533.86-444,580,004.82

Finding the Fourth Proportional to 820,926,475.12, 1,132,864,533.86 and 444,580,004.82

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Solution

The fourth proportional to 820,926,475.12, 1,132,864,533.86 and 444,580,004.82 is: 613,512,823.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,926,475.12 : 1,132,864,533.86 = 444,580,004.82 : x
  2. Step 2: Convert to fraction form
    820,926,475.12/1,132,864,533.86 = 444,580,004.82/x
  3. Step 3: Cross multiply
    820,926,475.12x = 1,132,864,533.86 × 444,580,004.82
  4. Step 4: Simplify right side
    820,926,475.12x = 503,648,919,923,885,824
  5. Step 5: Solve for x
    x = 503,648,919,923,885,824/820,926,475.12
  6. Step 6: Final answer
    x = 613,512,823.85

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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.