Home / 1,321,212,002.40-1,823,274,660.24-734,501,138.40

Finding the Fourth Proportional to 1,321,212,002.40, 1,823,274,660.24 and 734,501,138.40

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Solution

The fourth proportional to 1,321,212,002.40, 1,823,274,660.24 and 734,501,138.40 is: 1,013,612,736.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,212,002.40 : 1,823,274,660.24 = 734,501,138.40 : x
  2. Step 2: Convert to fraction form
    1,321,212,002.40/1,823,274,660.24 = 734,501,138.40/x
  3. Step 3: Cross multiply
    1,321,212,002.40x = 1,823,274,660.24 × 734,501,138.40
  4. Step 4: Simplify right side
    1,321,212,002.40x = 1,339,197,313,562,153,216
  5. Step 5: Solve for x
    x = 1,339,197,313,562,153,216/1,321,212,002.40
  6. Step 6: Final answer
    x = 1,013,612,736.74

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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.