Home / 2,826,236,873.55-4,239,987,559.02-861,243,740.57

Finding the Fourth Proportional to 2,826,236,873.55, 4,239,987,559.02 and 861,243,740.57

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Solution

The fourth proportional to 2,826,236,873.55, 4,239,987,559.02 and 861,243,740.57 is: 1,292,058,277.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826,236,873.55 : 4,239,987,559.02 = 861,243,740.57 : x
  2. Step 2: Convert to fraction form
    2,826,236,873.55/4,239,987,559.02 = 861,243,740.57/x
  3. Step 3: Cross multiply
    2,826,236,873.55x = 4,239,987,559.02 × 861,243,740.57
  4. Step 4: Simplify right side
    2,826,236,873.55x = 3,651,662,745,311,248,384
  5. Step 5: Solve for x
    x = 3,651,662,745,311,248,384/2,826,236,873.55
  6. Step 6: Final answer
    x = 1,292,058,277.03

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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.