Home / 975,901,013.72-1,463,869,016.64-354,557,517.56

Finding the Fourth Proportional to 975,901,013.72, 1,463,869,016.64 and 354,557,517.56

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Solution

The fourth proportional to 975,901,013.72, 1,463,869,016.64 and 354,557,517.56 is: 531,842,632.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,901,013.72 : 1,463,869,016.64 = 354,557,517.56 : x
  2. Step 2: Convert to fraction form
    975,901,013.72/1,463,869,016.64 = 354,557,517.56/x
  3. Step 3: Cross multiply
    975,901,013.72x = 1,463,869,016.64 × 354,557,517.56
  4. Step 4: Simplify right side
    975,901,013.72x = 519,025,764,572,876,800
  5. Step 5: Solve for x
    x = 519,025,764,572,876,800/975,901,013.72
  6. Step 6: Final answer
    x = 531,842,632.89

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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.