Home / 358,215,055,485.96-494,348,975,226.81-211,852,981,363.74

Finding the Fourth Proportional to 358,215,055,485.96, 494,348,975,226.81 and 211,852,981,363.74

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Solution

The fourth proportional to 358,215,055,485.96, 494,348,975,226.81 and 211,852,981,363.74 is: 292,364,328,723.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,215,055,485.96 : 494,348,975,226.81 = 211,852,981,363.74 : x
  2. Step 2: Convert to fraction form
    358,215,055,485.96/494,348,975,226.81 = 211,852,981,363.74/x
  3. Step 3: Cross multiply
    358,215,055,485.96x = 494,348,975,226.81 × 211,852,981,363.74
  4. Step 4: Simplify right side
    358,215,055,485.96x = 104,729,304,235,909,341,773,824
  5. Step 5: Solve for x
    x = 104,729,304,235,909,341,773,824/358,215,055,485.96
  6. Step 6: Final answer
    x = 292,364,328,723.79

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Double scale
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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.