Home / 507,085,835.24-699,777,921.89-284,069,086.71

Finding the Fourth Proportional to 507,085,835.24, 699,777,921.89 and 284,069,086.71

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Solution

The fourth proportional to 507,085,835.24, 699,777,921.89 and 284,069,086.71 is: 392,015,042.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,085,835.24 : 699,777,921.89 = 284,069,086.71 : x
  2. Step 2: Convert to fraction form
    507,085,835.24/699,777,921.89 = 284,069,086.71/x
  3. Step 3: Cross multiply
    507,085,835.24x = 699,777,921.89 × 284,069,086.71
  4. Step 4: Simplify right side
    507,085,835.24x = 198,785,275,169,693,664
  5. Step 5: Solve for x
    x = 198,785,275,169,693,664/507,085,835.24
  6. Step 6: Final answer
    x = 392,015,042.34

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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.