Home / 898,344,686.40-1,347,517,029.60-217,540,334.40

Finding the Fourth Proportional to 898,344,686.40, 1,347,517,029.60 and 217,540,334.40

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Solution

The fourth proportional to 898,344,686.40, 1,347,517,029.60 and 217,540,334.40 is: 326,310,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,344,686.40 : 1,347,517,029.60 = 217,540,334.40 : x
  2. Step 2: Convert to fraction form
    898,344,686.40/1,347,517,029.60 = 217,540,334.40/x
  3. Step 3: Cross multiply
    898,344,686.40x = 1,347,517,029.60 × 217,540,334.40
  4. Step 4: Simplify right side
    898,344,686.40x = 293,139,305,228,878,656
  5. Step 5: Solve for x
    x = 293,139,305,228,878,656/898,344,686.40
  6. Step 6: Final answer
    x = 326,310,501.60

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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.