Home / 259,662,293.40-389,493,440.10-162,916,411.80

Finding the Fourth Proportional to 259,662,293.40, 389,493,440.10 and 162,916,411.80

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Solution

The fourth proportional to 259,662,293.40, 389,493,440.10 and 162,916,411.80 is: 244,374,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,662,293.40 : 389,493,440.10 = 162,916,411.80 : x
  2. Step 2: Convert to fraction form
    259,662,293.40/389,493,440.10 = 162,916,411.80/x
  3. Step 3: Cross multiply
    259,662,293.40x = 389,493,440.10 × 162,916,411.80
  4. Step 4: Simplify right side
    259,662,293.40x = 63,454,873,680,730,240
  5. Step 5: Solve for x
    x = 63,454,873,680,730,240/259,662,293.40
  6. Step 6: Final answer
    x = 244,374,617.70

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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.