Home / 856,225,233,400.28-1,181,613,216,222.30-465,614,642,478.08

Finding the Fourth Proportional to 856,225,233,400.28, 1,181,613,216,222.30 and 465,614,642,478.08

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Solution

The fourth proportional to 856,225,233,400.28, 1,181,613,216,222.30 and 465,614,642,478.08 is: 642,560,384,530.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,225,233,400.28 : 1,181,613,216,222.30 = 465,614,642,478.08 : x
  2. Step 2: Convert to fraction form
    856,225,233,400.28/1,181,613,216,222.30 = 465,614,642,478.08/x
  3. Step 3: Cross multiply
    856,225,233,400.28x = 1,181,613,216,222.30 × 465,614,642,478.08
  4. Step 4: Simplify right side
    856,225,233,400.28x = 550,176,415,218,720,500,088,832
  5. Step 5: Solve for x
    x = 550,176,415,218,720,500,088,832/856,225,233,400.28
  6. Step 6: Final answer
    x = 642,560,384,530.87

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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.