Home / 792,102,685.20-1,188,100,883.70-209,824,432.80

Finding the Fourth Proportional to 792,102,685.20, 1,188,100,883.70 and 209,824,432.80

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Solution

The fourth proportional to 792,102,685.20, 1,188,100,883.70 and 209,824,432.80 is: 314,722,571.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,102,685.20 : 1,188,100,883.70 = 209,824,432.80 : x
  2. Step 2: Convert to fraction form
    792,102,685.20/1,188,100,883.70 = 209,824,432.80/x
  3. Step 3: Cross multiply
    792,102,685.20x = 1,188,100,883.70 × 209,824,432.80
  4. Step 4: Simplify right side
    792,102,685.20x = 249,292,594,031,531,296
  5. Step 5: Solve for x
    x = 249,292,594,031,531,296/792,102,685.20
  6. Step 6: Final answer
    x = 314,722,571.57

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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.