Home / 856,225,233,401.28-1,181,613,216,223.70-465,614,642,479.08

Finding the Fourth Proportional to 856,225,233,401.28, 1,181,613,216,223.70 and 465,614,642,479.08

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Solution

The fourth proportional to 856,225,233,401.28, 1,181,613,216,223.70 and 465,614,642,479.08 is: 642,560,384,532.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,225,233,401.28 : 1,181,613,216,223.70 = 465,614,642,479.08 : x
  2. Step 2: Convert to fraction form
    856,225,233,401.28/1,181,613,216,223.70 = 465,614,642,479.08/x
  3. Step 3: Cross multiply
    856,225,233,401.28x = 1,181,613,216,223.70 × 465,614,642,479.08
  4. Step 4: Simplify right side
    856,225,233,401.28x = 550,176,415,220,553,914,253,312
  5. Step 5: Solve for x
    x = 550,176,415,220,553,914,253,312/856,225,233,401.28
  6. Step 6: Final answer
    x = 642,560,384,532.26

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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.