Home / 322,798,071.78-445,598,790.15-217,012,838.64

Finding the Fourth Proportional to 322,798,071.78, 445,598,790.15 and 217,012,838.64

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Solution

The fourth proportional to 322,798,071.78, 445,598,790.15 and 217,012,838.64 is: 299,570,123.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,798,071.78 : 445,598,790.15 = 217,012,838.64 : x
  2. Step 2: Convert to fraction form
    322,798,071.78/445,598,790.15 = 217,012,838.64/x
  3. Step 3: Cross multiply
    322,798,071.78x = 445,598,790.15 × 217,012,838.64
  4. Step 4: Simplify right side
    322,798,071.78x = 96,700,658,345,001,152
  5. Step 5: Solve for x
    x = 96,700,658,345,001,152/322,798,071.78
  6. Step 6: Final answer
    x = 299,570,123.86

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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.