Home / 792,072,278.20-1,188,055,273.20-209,794,025.80

Finding the Fourth Proportional to 792,072,278.20, 1,188,055,273.20 and 209,794,025.80

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Solution

The fourth proportional to 792,072,278.20, 1,188,055,273.20 and 209,794,025.80 is: 314,676,962.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,072,278.20 : 1,188,055,273.20 = 209,794,025.80 : x
  2. Step 2: Convert to fraction form
    792,072,278.20/1,188,055,273.20 = 209,794,025.80/x
  3. Step 3: Cross multiply
    792,072,278.20x = 1,188,055,273.20 × 209,794,025.80
  4. Step 4: Simplify right side
    792,072,278.20x = 249,246,898,637,546,880
  5. Step 5: Solve for x
    x = 249,246,898,637,546,880/792,072,278.20
  6. Step 6: Final answer
    x = 314,676,962.57

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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.