Home / 399,373,484.52-551,190,158.82-229,824,237.96

Finding the Fourth Proportional to 399,373,484.52, 551,190,158.82 and 229,824,237.96

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Solution

The fourth proportional to 399,373,484.52, 551,190,158.82 and 229,824,237.96 is: 317,188,955.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,373,484.52 : 551,190,158.82 = 229,824,237.96 : x
  2. Step 2: Convert to fraction form
    399,373,484.52/551,190,158.82 = 229,824,237.96/x
  3. Step 3: Cross multiply
    399,373,484.52x = 551,190,158.82 × 229,824,237.96
  4. Step 4: Simplify right side
    399,373,484.52x = 126,676,858,221,857,888
  5. Step 5: Solve for x
    x = 126,676,858,221,857,888/399,373,484.52
  6. Step 6: Final answer
    x = 317,188,955.03

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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.