Home / 792,072,277.20-1,188,055,271.70-209,794,024.80

Finding the Fourth Proportional to 792,072,277.20, 1,188,055,271.70 and 209,794,024.80

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Solution

The fourth proportional to 792,072,277.20, 1,188,055,271.70 and 209,794,024.80 is: 314,676,961.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,072,277.20 : 1,188,055,271.70 = 209,794,024.80 : x
  2. Step 2: Convert to fraction form
    792,072,277.20/1,188,055,271.70 = 209,794,024.80/x
  3. Step 3: Cross multiply
    792,072,277.20x = 1,188,055,271.70 × 209,794,024.80
  4. Step 4: Simplify right side
    792,072,277.20x = 249,246,897,134,800,576
  5. Step 5: Solve for x
    x = 249,246,897,134,800,576/792,072,277.20
  6. Step 6: Final answer
    x = 314,676,961.07

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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.