Home / 798,728,642.50-1,198,092,963.75-193,569,218.50

Finding the Fourth Proportional to 798,728,642.50, 1,198,092,963.75 and 193,569,218.50

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Solution

The fourth proportional to 798,728,642.50, 1,198,092,963.75 and 193,569,218.50 is: 290,353,827.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,728,642.50 : 1,198,092,963.75 = 193,569,218.50 : x
  2. Step 2: Convert to fraction form
    798,728,642.50/1,198,092,963.75 = 193,569,218.50/x
  3. Step 3: Cross multiply
    798,728,642.50x = 1,198,092,963.75 × 193,569,218.50
  4. Step 4: Simplify right side
    798,728,642.50x = 231,913,918,683,436,320
  5. Step 5: Solve for x
    x = 231,913,918,683,436,320/798,728,642.50
  6. Step 6: Final answer
    x = 290,353,827.75

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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.