Home / 620,496,742.60-856,278,533.28-338,233,003.32

Finding the Fourth Proportional to 620,496,742.60, 856,278,533.28 and 338,233,003.32

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Solution

The fourth proportional to 620,496,742.60, 856,278,533.28 and 338,233,003.32 is: 466,757,744.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,496,742.60 : 856,278,533.28 = 338,233,003.32 : x
  2. Step 2: Convert to fraction form
    620,496,742.60/856,278,533.28 = 338,233,003.32/x
  3. Step 3: Cross multiply
    620,496,742.60x = 856,278,533.28 × 338,233,003.32
  4. Step 4: Simplify right side
    620,496,742.60x = 289,621,659,989,738,944
  5. Step 5: Solve for x
    x = 289,621,659,989,738,944/620,496,742.60
  6. Step 6: Final answer
    x = 466,757,744.41

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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.