Home / 18,639,594,643.20-25,722,466,767.36-10,181,415,183.36

Finding the Fourth Proportional to 18,639,594,643.20, 25,722,466,767.36 and 10,181,415,183.36

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Solution

The fourth proportional to 18,639,594,643.20, 25,722,466,767.36 and 10,181,415,183.36 is: 14,050,257,997.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,639,594,643.20 : 25,722,466,767.36 = 10,181,415,183.36 : x
  2. Step 2: Convert to fraction form
    18,639,594,643.20/25,722,466,767.36 = 10,181,415,183.36/x
  3. Step 3: Cross multiply
    18,639,594,643.20x = 25,722,466,767.36 × 10,181,415,183.36
  4. Step 4: Simplify right side
    18,639,594,643.20x = 261,891,113,698,672,148,480
  5. Step 5: Solve for x
    x = 261,891,113,698,672,148,480/18,639,594,643.20
  6. Step 6: Final answer
    x = 14,050,257,997.12

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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.