Home / 3,872,448,612.80-5,808,672,919.20-964,403,460.80

Finding the Fourth Proportional to 3,872,448,612.80, 5,808,672,919.20 and 964,403,460.80

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Solution

The fourth proportional to 3,872,448,612.80, 5,808,672,919.20 and 964,403,460.80 is: 1,446,605,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872,448,612.80 : 5,808,672,919.20 = 964,403,460.80 : x
  2. Step 2: Convert to fraction form
    3,872,448,612.80/5,808,672,919.20 = 964,403,460.80/x
  3. Step 3: Cross multiply
    3,872,448,612.80x = 5,808,672,919.20 × 964,403,460.80
  4. Step 4: Simplify right side
    3,872,448,612.80x = 5,601,904,265,931,718,656
  5. Step 5: Solve for x
    x = 5,601,904,265,931,718,656/3,872,448,612.80
  6. Step 6: Final answer
    x = 1,446,605,191.20

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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.