Home / 11,455,178,660.78-15,809,522,743.58-6,938,925,201.12

Finding the Fourth Proportional to 11,455,178,660.78, 15,809,522,743.58 and 6,938,925,201.12

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Solution

The fourth proportional to 11,455,178,660.78, 15,809,522,743.58 and 6,938,925,201.12 is: 9,576,550,399.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455,178,660.78 : 15,809,522,743.58 = 6,938,925,201.12 : x
  2. Step 2: Convert to fraction form
    11,455,178,660.78/15,809,522,743.58 = 6,938,925,201.12/x
  3. Step 3: Cross multiply
    11,455,178,660.78x = 15,809,522,743.58 × 6,938,925,201.12
  4. Step 4: Simplify right side
    11,455,178,660.78x = 109,701,095,783,170,916,352
  5. Step 5: Solve for x
    x = 109,701,095,783,170,916,352/11,455,178,660.78
  6. Step 6: Final answer
    x = 9,576,550,399.76

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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.