Home / 200,666,769,673.39-276,926,022,565.50-109,221,243,405.71

Finding the Fourth Proportional to 200,666,769,673.39, 276,926,022,565.50 and 109,221,243,405.71

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Solution

The fourth proportional to 200,666,769,673.39, 276,926,022,565.50 and 109,221,243,405.71 is: 150,728,516,561.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,666,769,673.39 : 276,926,022,565.50 = 109,221,243,405.71 : x
  2. Step 2: Convert to fraction form
    200,666,769,673.39/276,926,022,565.50 = 109,221,243,405.71/x
  3. Step 3: Cross multiply
    200,666,769,673.39x = 276,926,022,565.50 × 109,221,243,405.71
  4. Step 4: Simplify right side
    200,666,769,673.39x = 30,246,204,516,001,619,378,176
  5. Step 5: Solve for x
    x = 30,246,204,516,001,619,378,176/200,666,769,673.39
  6. Step 6: Final answer
    x = 150,728,516,561.22

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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.