Home / 2,185,919,643.12-3,278,876,917.92-712,057,074.72

Finding the Fourth Proportional to 2,185,919,643.12, 3,278,876,917.92 and 712,057,074.72

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Solution

The fourth proportional to 2,185,919,643.12, 3,278,876,917.92 and 712,057,074.72 is: 1,068,084,782.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,919,643.12 : 3,278,876,917.92 = 712,057,074.72 : x
  2. Step 2: Convert to fraction form
    2,185,919,643.12/3,278,876,917.92 = 712,057,074.72/x
  3. Step 3: Cross multiply
    2,185,919,643.12x = 3,278,876,917.92 × 712,057,074.72
  4. Step 4: Simplify right side
    2,185,919,643.12x = 2,334,747,506,541,044,736
  5. Step 5: Solve for x
    x = 2,334,747,506,541,044,736/2,185,919,643.12
  6. Step 6: Final answer
    x = 1,068,084,782.48

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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.