Home / 399,373,289.07-551,189,888.69-229,824,042.36

Finding the Fourth Proportional to 399,373,289.07, 551,189,888.69 and 229,824,042.36

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Solution

The fourth proportional to 399,373,289.07, 551,189,888.69 and 229,824,042.36 is: 317,188,684.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,373,289.07 : 551,189,888.69 = 229,824,042.36 : x
  2. Step 2: Convert to fraction form
    399,373,289.07/551,189,888.69 = 229,824,042.36/x
  3. Step 3: Cross multiply
    399,373,289.07x = 551,189,888.69 × 229,824,042.36
  4. Step 4: Simplify right side
    399,373,289.07x = 126,676,688,325,545,120
  5. Step 5: Solve for x
    x = 126,676,688,325,545,120/399,373,289.07
  6. Step 6: Final answer
    x = 317,188,684.85

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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.