Home / 965,716,861.32-1,332,721,418.82-542,405,004.24

Finding the Fourth Proportional to 965,716,861.32, 1,332,721,418.82 and 542,405,004.24

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Solution

The fourth proportional to 965,716,861.32, 1,332,721,418.82 and 542,405,004.24 is: 748,536,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,716,861.32 : 1,332,721,418.82 = 542,405,004.24 : x
  2. Step 2: Convert to fraction form
    965,716,861.32/1,332,721,418.82 = 542,405,004.24/x
  3. Step 3: Cross multiply
    965,716,861.32x = 1,332,721,418.82 × 542,405,004.24
  4. Step 4: Simplify right side
    965,716,861.32x = 722,874,766,825,800,832
  5. Step 5: Solve for x
    x = 722,874,766,825,800,832/965,716,861.32
  6. Step 6: Final answer
    x = 748,536,963.35

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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.