Home / 698,948,843.80-1,049,934,920.10-494,875,499.80

Finding the Fourth Proportional to 698,948,843.80, 1,049,934,920.10 and 494,875,499.80

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Solution

The fourth proportional to 698,948,843.80, 1,049,934,920.10 and 494,875,499.80 is: 743,383,543.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,948,843.80 : 1,049,934,920.10 = 494,875,499.80 : x
  2. Step 2: Convert to fraction form
    698,948,843.80/1,049,934,920.10 = 494,875,499.80/x
  3. Step 3: Cross multiply
    698,948,843.80x = 1,049,934,920.10 × 494,875,499.80
  4. Step 4: Simplify right side
    698,948,843.80x = 519,587,068,341,960,576
  5. Step 5: Solve for x
    x = 519,587,068,341,960,576/698,948,843.80
  6. Step 6: Final answer
    x = 743,383,543.66

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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.