Home / 403,702,350.66-557,109,157.86-218,063,368.17

Finding the Fourth Proportional to 403,702,350.66, 557,109,157.86 and 218,063,368.17

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Solution

The fourth proportional to 403,702,350.66, 557,109,157.86 and 218,063,368.17 is: 300,927,401.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,702,350.66 : 557,109,157.86 = 218,063,368.17 : x
  2. Step 2: Convert to fraction form
    403,702,350.66/557,109,157.86 = 218,063,368.17/x
  3. Step 3: Cross multiply
    403,702,350.66x = 557,109,157.86 × 218,063,368.17
  4. Step 4: Simplify right side
    403,702,350.66x = 121,485,099,401,303,824
  5. Step 5: Solve for x
    x = 121,485,099,401,303,824/403,702,350.66
  6. Step 6: Final answer
    x = 300,927,401.59

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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.