Home / 792,072,232.20-1,188,055,204.20-209,793,979.80

Finding the Fourth Proportional to 792,072,232.20, 1,188,055,204.20 and 209,793,979.80

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Solution

The fourth proportional to 792,072,232.20, 1,188,055,204.20 and 209,793,979.80 is: 314,676,893.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,072,232.20 : 1,188,055,204.20 = 209,793,979.80 : x
  2. Step 2: Convert to fraction form
    792,072,232.20/1,188,055,204.20 = 209,793,979.80/x
  3. Step 3: Cross multiply
    792,072,232.20x = 1,188,055,204.20 × 209,793,979.80
  4. Step 4: Simplify right side
    792,072,232.20x = 249,246,829,511,219,712
  5. Step 5: Solve for x
    x = 249,246,829,511,219,712/792,072,232.20
  6. Step 6: Final answer
    x = 314,676,893.57

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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.