Home / 797,160,188.40-1,195,929,239.40-409,042,921.20

Finding the Fourth Proportional to 797,160,188.40, 1,195,929,239.40 and 409,042,921.20

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Solution

The fourth proportional to 797,160,188.40, 1,195,929,239.40 and 409,042,921.20 is: 613,661,340.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,160,188.40 : 1,195,929,239.40 = 409,042,921.20 : x
  2. Step 2: Convert to fraction form
    797,160,188.40/1,195,929,239.40 = 409,042,921.20/x
  3. Step 3: Cross multiply
    797,160,188.40x = 1,195,929,239.40 × 409,042,921.20
  4. Step 4: Simplify right side
    797,160,188.40x = 489,186,389,632,670,144
  5. Step 5: Solve for x
    x = 489,186,389,632,670,144/797,160,188.40
  6. Step 6: Final answer
    x = 613,661,340.28

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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.