Home / 622,666,204.02-859,238,410.41-358,305,536.88

Finding the Fourth Proportional to 622,666,204.02, 859,238,410.41 and 358,305,536.88

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Solution

The fourth proportional to 622,666,204.02, 859,238,410.41 and 358,305,536.88 is: 494,438,076.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,666,204.02 : 859,238,410.41 = 358,305,536.88 : x
  2. Step 2: Convert to fraction form
    622,666,204.02/859,238,410.41 = 358,305,536.88/x
  3. Step 3: Cross multiply
    622,666,204.02x = 859,238,410.41 × 358,305,536.88
  4. Step 4: Simplify right side
    622,666,204.02x = 307,869,879,949,872,832
  5. Step 5: Solve for x
    x = 307,869,879,949,872,832/622,666,204.02
  6. Step 6: Final answer
    x = 494,438,076.07

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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.