Home / 878,067,620.04-1,316,575,291.24-279,546,808.42

Finding the Fourth Proportional to 878,067,620.04, 1,316,575,291.24 and 279,546,808.42

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Solution

The fourth proportional to 878,067,620.04, 1,316,575,291.24 and 279,546,808.42 is: 419,152,707.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,067,620.04 : 1,316,575,291.24 = 279,546,808.42 : x
  2. Step 2: Convert to fraction form
    878,067,620.04/1,316,575,291.24 = 279,546,808.42/x
  3. Step 3: Cross multiply
    878,067,620.04x = 1,316,575,291.24 × 279,546,808.42
  4. Step 4: Simplify right side
    878,067,620.04x = 368,044,420,705,370,880
  5. Step 5: Solve for x
    x = 368,044,420,705,370,880/878,067,620.04
  6. Step 6: Final answer
    x = 419,152,707.95

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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.