Home / 255,007,682.40-381,873,794.40-203,989,346.40

Finding the Fourth Proportional to 255,007,682.40, 381,873,794.40 and 203,989,346.40

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Solution

The fourth proportional to 255,007,682.40, 381,873,794.40 and 203,989,346.40 is: 305,473,878.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,007,682.40 : 381,873,794.40 = 203,989,346.40 : x
  2. Step 2: Convert to fraction form
    255,007,682.40/381,873,794.40 = 203,989,346.40/x
  3. Step 3: Cross multiply
    255,007,682.40x = 381,873,794.40 × 203,989,346.40
  4. Step 4: Simplify right side
    255,007,682.40x = 77,898,185,726,943,984
  5. Step 5: Solve for x
    x = 77,898,185,726,943,984/255,007,682.40
  6. Step 6: Final answer
    x = 305,473,878.25

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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.