Home / 403,923,567.66-557,439,503.31-222,869,664.12

Finding the Fourth Proportional to 403,923,567.66, 557,439,503.31 and 222,869,664.12

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Solution

The fourth proportional to 403,923,567.66, 557,439,503.31 and 222,869,664.12 is: 307,573,919.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,923,567.66 : 557,439,503.31 = 222,869,664.12 : x
  2. Step 2: Convert to fraction form
    403,923,567.66/557,439,503.31 = 222,869,664.12/x
  3. Step 3: Cross multiply
    403,923,567.66x = 557,439,503.31 × 222,869,664.12
  4. Step 4: Simplify right side
    403,923,567.66x = 124,236,354,869,919,312
  5. Step 5: Solve for x
    x = 124,236,354,869,919,312/403,923,567.66
  6. Step 6: Final answer
    x = 307,573,919.47

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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.