Home / 365,590,602.78-504,515,031.83-208,961,072.79

Finding the Fourth Proportional to 365,590,602.78, 504,515,031.83 and 208,961,072.79

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Solution

The fourth proportional to 365,590,602.78, 504,515,031.83 and 208,961,072.79 is: 288,366,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,590,602.78 : 504,515,031.83 = 208,961,072.79 : x
  2. Step 2: Convert to fraction form
    365,590,602.78/504,515,031.83 = 208,961,072.79/x
  3. Step 3: Cross multiply
    365,590,602.78x = 504,515,031.83 × 208,961,072.79
  4. Step 4: Simplify right side
    365,590,602.78x = 105,424,002,289,336,432
  5. Step 5: Solve for x
    x = 105,424,002,289,336,432/365,590,602.78
  6. Step 6: Final answer
    x = 288,366,280.45

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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.