Home / 647,450,705.39-893,427,959.61-365,177,589.71

Finding the Fourth Proportional to 647,450,705.39, 893,427,959.61 and 365,177,589.71

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Solution

The fourth proportional to 647,450,705.39, 893,427,959.61 and 365,177,589.71 is: 503,914,608.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,450,705.39 : 893,427,959.61 = 365,177,589.71 : x
  2. Step 2: Convert to fraction form
    647,450,705.39/893,427,959.61 = 365,177,589.71/x
  3. Step 3: Cross multiply
    647,450,705.39x = 893,427,959.61 × 365,177,589.71
  4. Step 4: Simplify right side
    647,450,705.39x = 326,259,868,865,435,904
  5. Step 5: Solve for x
    x = 326,259,868,865,435,904/647,450,705.39
  6. Step 6: Final answer
    x = 503,914,608.71

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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.