Home / 55,427,339,986.20-83,141,009,979.30-54,325,343,928.60

Finding the Fourth Proportional to 55,427,339,986.20, 83,141,009,979.30 and 54,325,343,928.60

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Solution

The fourth proportional to 55,427,339,986.20, 83,141,009,979.30 and 54,325,343,928.60 is: 81,488,015,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,427,339,986.20 : 83,141,009,979.30 = 54,325,343,928.60 : x
  2. Step 2: Convert to fraction form
    55,427,339,986.20/83,141,009,979.30 = 54,325,343,928.60/x
  3. Step 3: Cross multiply
    55,427,339,986.20x = 83,141,009,979.30 × 54,325,343,928.60
  4. Step 4: Simplify right side
    55,427,339,986.20x = 4,516,663,961,696,637,288,448
  5. Step 5: Solve for x
    x = 4,516,663,961,696,637,288,448/55,427,339,986.20
  6. Step 6: Final answer
    x = 81,488,015,892.90

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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.