Home / 531,781,623.72-733,981,085.96-311,835,908.52

Finding the Fourth Proportional to 531,781,623.72, 733,981,085.96 and 311,835,908.52

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Solution

The fourth proportional to 531,781,623.72, 733,981,085.96 and 311,835,908.52 is: 430,405,355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,781,623.72 : 733,981,085.96 = 311,835,908.52 : x
  2. Step 2: Convert to fraction form
    531,781,623.72/733,981,085.96 = 311,835,908.52/x
  3. Step 3: Cross multiply
    531,781,623.72x = 733,981,085.96 × 311,835,908.52
  4. Step 4: Simplify right side
    531,781,623.72x = 228,881,658,775,273,632
  5. Step 5: Solve for x
    x = 228,881,658,775,273,632/531,781,623.72
  6. Step 6: Final answer
    x = 430,405,355.44

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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.