Home / 1,293,672,485.72-1,785,268,030.29-736,807,348.28

Finding the Fourth Proportional to 1,293,672,485.72, 1,785,268,030.29 and 736,807,348.28

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Solution

The fourth proportional to 1,293,672,485.72, 1,785,268,030.29 and 736,807,348.28 is: 1,016,794,140.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,672,485.72 : 1,785,268,030.29 = 736,807,348.28 : x
  2. Step 2: Convert to fraction form
    1,293,672,485.72/1,785,268,030.29 = 736,807,348.28/x
  3. Step 3: Cross multiply
    1,293,672,485.72x = 1,785,268,030.29 × 736,807,348.28
  4. Step 4: Simplify right side
    1,293,672,485.72x = 1,315,398,603,368,770,560
  5. Step 5: Solve for x
    x = 1,315,398,603,368,770,560/1,293,672,485.72
  6. Step 6: Final answer
    x = 1,016,794,140.62

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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.