Home / 792,102,679.95-1,188,100,875.83-209,824,427.55

Finding the Fourth Proportional to 792,102,679.95, 1,188,100,875.83 and 209,824,427.55

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Solution

The fourth proportional to 792,102,679.95, 1,188,100,875.83 and 209,824,427.55 is: 314,722,563.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,102,679.95 : 1,188,100,875.83 = 209,824,427.55 : x
  2. Step 2: Convert to fraction form
    792,102,679.95/1,188,100,875.83 = 209,824,427.55/x
  3. Step 3: Cross multiply
    792,102,679.95x = 1,188,100,875.83 × 209,824,427.55
  4. Step 4: Simplify right side
    792,102,679.95x = 249,292,586,141,634,272
  5. Step 5: Solve for x
    x = 249,292,586,141,634,272/792,102,679.95
  6. Step 6: Final answer
    x = 314,722,563.69

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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.