Home / 55,185,646,819.20-82,778,470,228.80-15,928,317,974.40

Finding the Fourth Proportional to 55,185,646,819.20, 82,778,470,228.80 and 15,928,317,974.40

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Solution

The fourth proportional to 55,185,646,819.20, 82,778,470,228.80 and 15,928,317,974.40 is: 23,892,476,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,185,646,819.20 : 82,778,470,228.80 = 15,928,317,974.40 : x
  2. Step 2: Convert to fraction form
    55,185,646,819.20/82,778,470,228.80 = 15,928,317,974.40/x
  3. Step 3: Cross multiply
    55,185,646,819.20x = 82,778,470,228.80 × 15,928,317,974.40
  4. Step 4: Simplify right side
    55,185,646,819.20x = 1,318,521,795,238,730,399,744
  5. Step 5: Solve for x
    x = 1,318,521,795,238,730,399,744/55,185,646,819.20
  6. Step 6: Final answer
    x = 23,892,476,961.60

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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.