Home / 798,809,979.60-1,198,347,679.80-314,151,598.80

Finding the Fourth Proportional to 798,809,979.60, 1,198,347,679.80 and 314,151,598.80

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Solution

The fourth proportional to 798,809,979.60, 1,198,347,679.80 and 314,151,598.80 is: 471,279,589.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,809,979.60 : 1,198,347,679.80 = 314,151,598.80 : x
  2. Step 2: Convert to fraction form
    798,809,979.60/1,198,347,679.80 = 314,151,598.80/x
  3. Step 3: Cross multiply
    798,809,979.60x = 1,198,347,679.80 × 314,151,598.80
  4. Step 4: Simplify right side
    798,809,979.60x = 376,462,839,527,440,448
  5. Step 5: Solve for x
    x = 376,462,839,527,440,448/798,809,979.60
  6. Step 6: Final answer
    x = 471,279,589.82

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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.