Home / 820,932,171.70-1,132,872,395.76-444,585,709.48

Finding the Fourth Proportional to 820,932,171.70, 1,132,872,395.76 and 444,585,709.48

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Solution

The fourth proportional to 820,932,171.70, 1,132,872,395.76 and 444,585,709.48 is: 613,520,696.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,932,171.70 : 1,132,872,395.76 = 444,585,709.48 : x
  2. Step 2: Convert to fraction form
    820,932,171.70/1,132,872,395.76 = 444,585,709.48/x
  3. Step 3: Cross multiply
    820,932,171.70x = 1,132,872,395.76 × 444,585,709.48
  4. Step 4: Simplify right side
    820,932,171.70x = 503,658,877,819,266,944
  5. Step 5: Solve for x
    x = 503,658,877,819,266,944/820,932,171.70
  6. Step 6: Final answer
    x = 613,520,696.57

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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.