Home / 399,373,261.63-551,189,850.89-229,824,014.91

Finding the Fourth Proportional to 399,373,261.63, 551,189,850.89 and 229,824,014.91

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Solution

The fourth proportional to 399,373,261.63, 551,189,850.89 and 229,824,014.91 is: 317,188,647.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,373,261.63 : 551,189,850.89 = 229,824,014.91 : x
  2. Step 2: Convert to fraction form
    399,373,261.63/551,189,850.89 = 229,824,014.91/x
  3. Step 3: Cross multiply
    399,373,261.63x = 551,189,850.89 × 229,824,014.91
  4. Step 4: Simplify right side
    399,373,261.63x = 126,676,664,509,184,032
  5. Step 5: Solve for x
    x = 126,676,664,509,184,032/399,373,261.63
  6. Step 6: Final answer
    x = 317,188,647.01

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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.