Home / 3,889,303,297.02-5,367,238,812.36-2,129,170,705.02

Finding the Fourth Proportional to 3,889,303,297.02, 5,367,238,812.36 and 2,129,170,705.02

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Solution

The fourth proportional to 3,889,303,297.02, 5,367,238,812.36 and 2,129,170,705.02 is: 2,938,255,716.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,303,297.02 : 5,367,238,812.36 = 2,129,170,705.02 : x
  2. Step 2: Convert to fraction form
    3,889,303,297.02/5,367,238,812.36 = 2,129,170,705.02/x
  3. Step 3: Cross multiply
    3,889,303,297.02x = 5,367,238,812.36 × 2,129,170,705.02
  4. Step 4: Simplify right side
    3,889,303,297.02x = 11,427,767,646,123,247,616
  5. Step 5: Solve for x
    x = 11,427,767,646,123,247,616/3,889,303,297.02
  6. Step 6: Final answer
    x = 2,938,255,716.62

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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.