Home / 403,704,972.44-557,113,086.14-218,065,989.95

Finding the Fourth Proportional to 403,704,972.44, 557,113,086.14 and 218,065,989.95

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Solution

The fourth proportional to 403,704,972.44, 557,113,086.14 and 218,065,989.95 is: 300,931,187.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,704,972.44 : 557,113,086.14 = 218,065,989.95 : x
  2. Step 2: Convert to fraction form
    403,704,972.44/557,113,086.14 = 218,065,989.95/x
  3. Step 3: Cross multiply
    403,704,972.44x = 557,113,086.14 × 218,065,989.95
  4. Step 4: Simplify right side
    403,704,972.44x = 121,487,416,643,218,720
  5. Step 5: Solve for x
    x = 121,487,416,643,218,720/403,704,972.44
  6. Step 6: Final answer
    x = 300,931,187.22

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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.