Home / 856,225,233,376.80-1,181,613,216,189.90-465,614,642,454.51

Finding the Fourth Proportional to 856,225,233,376.80, 1,181,613,216,189.90 and 465,614,642,454.51

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Solution

The fourth proportional to 856,225,233,376.80, 1,181,613,216,189.90 and 465,614,642,454.51 is: 642,560,384,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,225,233,376.80 : 1,181,613,216,189.90 = 465,614,642,454.51 : x
  2. Step 2: Convert to fraction form
    856,225,233,376.80/1,181,613,216,189.90 = 465,614,642,454.51/x
  3. Step 3: Cross multiply
    856,225,233,376.80x = 1,181,613,216,189.90 × 465,614,642,454.51
  4. Step 4: Simplify right side
    856,225,233,376.80x = 550,176,415,175,783,913,357,312
  5. Step 5: Solve for x
    x = 550,176,415,175,783,913,357,312/856,225,233,376.80
  6. Step 6: Final answer
    x = 642,560,384,498.35

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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.