Home / 965,016,397.28-1,447,285,447.40-274,929,629.96

Finding the Fourth Proportional to 965,016,397.28, 1,447,285,447.40 and 274,929,629.96

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Solution

The fourth proportional to 965,016,397.28, 1,447,285,447.40 and 274,929,629.96 is: 412,326,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,016,397.28 : 1,447,285,447.40 = 274,929,629.96 : x
  2. Step 2: Convert to fraction form
    965,016,397.28/1,447,285,447.40 = 274,929,629.96/x
  3. Step 3: Cross multiply
    965,016,397.28x = 1,447,285,447.40 × 274,929,629.96
  4. Step 4: Simplify right side
    965,016,397.28x = 397,901,652,500,175,040
  5. Step 5: Solve for x
    x = 397,901,652,500,175,040/965,016,397.28
  6. Step 6: Final answer
    x = 412,326,312.40

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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.