Home / 1,170,682,472.27-1,615,643,980.38-642,148,609.83

Finding the Fourth Proportional to 1,170,682,472.27, 1,615,643,980.38 and 642,148,609.83

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Solution

The fourth proportional to 1,170,682,472.27, 1,615,643,980.38 and 642,148,609.83 is: 886,221,123.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,682,472.27 : 1,615,643,980.38 = 642,148,609.83 : x
  2. Step 2: Convert to fraction form
    1,170,682,472.27/1,615,643,980.38 = 642,148,609.83/x
  3. Step 3: Cross multiply
    1,170,682,472.27x = 1,615,643,980.38 × 642,148,609.83
  4. Step 4: Simplify right side
    1,170,682,472.27x = 1,037,483,535,981,224,960
  5. Step 5: Solve for x
    x = 1,037,483,535,981,224,960/1,170,682,472.27
  6. Step 6: Final answer
    x = 886,221,123.63

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Half scale
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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.