Home / 614,136,791.61-922,022,418.66-323,208,218.16

Finding the Fourth Proportional to 614,136,791.61, 922,022,418.66 and 323,208,218.16

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Solution

The fourth proportional to 614,136,791.61, 922,022,418.66 and 323,208,218.16 is: 485,242,420.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,136,791.61 : 922,022,418.66 = 323,208,218.16 : x
  2. Step 2: Convert to fraction form
    614,136,791.61/922,022,418.66 = 323,208,218.16/x
  3. Step 3: Cross multiply
    614,136,791.61x = 922,022,418.66 × 323,208,218.16
  4. Step 4: Simplify right side
    614,136,791.61x = 298,005,223,038,672,128
  5. Step 5: Solve for x
    x = 298,005,223,038,672,128/614,136,791.61
  6. Step 6: Final answer
    x = 485,242,420.11

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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.