Home / 3,872,448,570.80-5,808,672,856.20-964,403,418.80

Finding the Fourth Proportional to 3,872,448,570.80, 5,808,672,856.20 and 964,403,418.80

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Solution

The fourth proportional to 3,872,448,570.80, 5,808,672,856.20 and 964,403,418.80 is: 1,446,605,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872,448,570.80 : 5,808,672,856.20 = 964,403,418.80 : x
  2. Step 2: Convert to fraction form
    3,872,448,570.80/5,808,672,856.20 = 964,403,418.80/x
  3. Step 3: Cross multiply
    3,872,448,570.80x = 5,808,672,856.20 × 964,403,418.80
  4. Step 4: Simplify right side
    3,872,448,570.80x = 5,601,903,961,210,040,320
  5. Step 5: Solve for x
    x = 5,601,903,961,210,040,320/3,872,448,570.80
  6. Step 6: Final answer
    x = 1,446,605,128.20

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Double scale
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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.