Home / 2,309,428,339.49-3,187,052,448.05-1,252,191,948.77

Finding the Fourth Proportional to 2,309,428,339.49, 3,187,052,448.05 and 1,252,191,948.77

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Solution

The fourth proportional to 2,309,428,339.49, 3,187,052,448.05 and 1,252,191,948.77 is: 1,728,047,303.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309,428,339.49 : 3,187,052,448.05 = 1,252,191,948.77 : x
  2. Step 2: Convert to fraction form
    2,309,428,339.49/3,187,052,448.05 = 1,252,191,948.77/x
  3. Step 3: Cross multiply
    2,309,428,339.49x = 3,187,052,448.05 × 1,252,191,948.77
  4. Step 4: Simplify right side
    2,309,428,339.49x = 3,990,801,415,749,667,840
  5. Step 5: Solve for x
    x = 3,990,801,415,749,667,840/2,309,428,339.49
  6. Step 6: Final answer
    x = 1,728,047,303.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.