Home / 683,750,721.20-1,025,626,081.80-199,092,340.40

Finding the Fourth Proportional to 683,750,721.20, 1,025,626,081.80 and 199,092,340.40

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Solution

The fourth proportional to 683,750,721.20, 1,025,626,081.80 and 199,092,340.40 is: 298,638,510.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,750,721.20 : 1,025,626,081.80 = 199,092,340.40 : x
  2. Step 2: Convert to fraction form
    683,750,721.20/1,025,626,081.80 = 199,092,340.40/x
  3. Step 3: Cross multiply
    683,750,721.20x = 1,025,626,081.80 × 199,092,340.40
  4. Step 4: Simplify right side
    683,750,721.20x = 204,194,297,000,843,840
  5. Step 5: Solve for x
    x = 204,194,297,000,843,840/683,750,721.20
  6. Step 6: Final answer
    x = 298,638,510.60

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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.