Home / 403,705,114.75-557,113,282.73-218,066,132.26

Finding the Fourth Proportional to 403,705,114.75, 557,113,282.73 and 218,066,132.26

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Solution

The fourth proportional to 403,705,114.75, 557,113,282.73 and 218,066,132.26 is: 300,931,383.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,705,114.75 : 557,113,282.73 = 218,066,132.26 : x
  2. Step 2: Convert to fraction form
    403,705,114.75/557,113,282.73 = 218,066,132.26/x
  3. Step 3: Cross multiply
    403,705,114.75x = 557,113,282.73 × 218,066,132.26
  4. Step 4: Simplify right side
    403,705,114.75x = 121,487,538,795,602,960
  5. Step 5: Solve for x
    x = 121,487,538,795,602,960/403,705,114.75
  6. Step 6: Final answer
    x = 300,931,383.72

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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.