Home / 1,985,697,479.68-2,976,477,143.04-1,111,016,452.48

Finding the Fourth Proportional to 1,985,697,479.68, 2,976,477,143.04 and 1,111,016,452.48

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Solution

The fourth proportional to 1,985,697,479.68, 2,976,477,143.04 and 1,111,016,452.48 is: 1,665,367,010.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,697,479.68 : 2,976,477,143.04 = 1,111,016,452.48 : x
  2. Step 2: Convert to fraction form
    1,985,697,479.68/2,976,477,143.04 = 1,111,016,452.48/x
  3. Step 3: Cross multiply
    1,985,697,479.68x = 2,976,477,143.04 × 1,111,016,452.48
  4. Step 4: Simplify right side
    1,985,697,479.68x = 3,306,915,076,348,106,240
  5. Step 5: Solve for x
    x = 3,306,915,076,348,106,240/1,985,697,479.68
  6. Step 6: Final answer
    x = 1,665,367,010.93

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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.