Home / 2,719,754,920.80-4,079,632,381.20-879,693,602.40

Finding the Fourth Proportional to 2,719,754,920.80, 4,079,632,381.20 and 879,693,602.40

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Solution

The fourth proportional to 2,719,754,920.80, 4,079,632,381.20 and 879,693,602.40 is: 1,319,540,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719,754,920.80 : 4,079,632,381.20 = 879,693,602.40 : x
  2. Step 2: Convert to fraction form
    2,719,754,920.80/4,079,632,381.20 = 879,693,602.40/x
  3. Step 3: Cross multiply
    2,719,754,920.80x = 4,079,632,381.20 × 879,693,602.40
  4. Step 4: Simplify right side
    2,719,754,920.80x = 3,588,826,505,885,517,824
  5. Step 5: Solve for x
    x = 3,588,826,505,885,517,824/2,719,754,920.80
  6. Step 6: Final answer
    x = 1,319,540,403.60

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1.5x scale

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.