Home / 465,444,813.80-698,167,220.70-158,746,932.20

Finding the Fourth Proportional to 465,444,813.80, 698,167,220.70 and 158,746,932.20

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Solution

The fourth proportional to 465,444,813.80, 698,167,220.70 and 158,746,932.20 is: 238,120,398.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,444,813.80 : 698,167,220.70 = 158,746,932.20 : x
  2. Step 2: Convert to fraction form
    465,444,813.80/698,167,220.70 = 158,746,932.20/x
  3. Step 3: Cross multiply
    465,444,813.80x = 698,167,220.70 × 158,746,932.20
  4. Step 4: Simplify right side
    465,444,813.80x = 110,831,904,448,725,328
  5. Step 5: Solve for x
    x = 110,831,904,448,725,328/465,444,813.80
  6. Step 6: Final answer
    x = 238,120,398.30

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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.