Home / 698,948,860.80-1,049,934,945.60-494,875,516.80

Finding the Fourth Proportional to 698,948,860.80, 1,049,934,945.60 and 494,875,516.80

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Solution

The fourth proportional to 698,948,860.80, 1,049,934,945.60 and 494,875,516.80 is: 743,383,569.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,948,860.80 : 1,049,934,945.60 = 494,875,516.80 : x
  2. Step 2: Convert to fraction form
    698,948,860.80/1,049,934,945.60 = 494,875,516.80/x
  3. Step 3: Cross multiply
    698,948,860.80x = 1,049,934,945.60 × 494,875,516.80
  4. Step 4: Simplify right side
    698,948,860.80x = 519,587,098,810,179,904
  5. Step 5: Solve for x
    x = 519,587,098,810,179,904/698,948,860.80
  6. Step 6: Final answer
    x = 743,383,569.17

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1.5x scale

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.