Home / 56,512,434,427.31-84,785,193,078.58-18,222,886,872.81

Finding the Fourth Proportional to 56,512,434,427.31, 84,785,193,078.58 and 18,222,886,872.81

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Solution

The fourth proportional to 56,512,434,427.31, 84,785,193,078.58 and 18,222,886,872.81 is: 27,339,664,228.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,512,434,427.31 : 84,785,193,078.58 = 18,222,886,872.81 : x
  2. Step 2: Convert to fraction form
    56,512,434,427.31/84,785,193,078.58 = 18,222,886,872.81/x
  3. Step 3: Cross multiply
    56,512,434,427.31x = 84,785,193,078.58 × 18,222,886,872.81
  4. Step 4: Simplify right side
    56,512,434,427.31x = 1,545,030,981,960,317,009,920
  5. Step 5: Solve for x
    x = 1,545,030,981,960,317,009,920/56,512,434,427.31
  6. Step 6: Final answer
    x = 27,339,664,228.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.