Home / 399,060,521.20-598,590,781.80-262,899,650.80

Finding the Fourth Proportional to 399,060,521.20, 598,590,781.80 and 262,899,650.80

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Solution

The fourth proportional to 399,060,521.20, 598,590,781.80 and 262,899,650.80 is: 394,349,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,060,521.20 : 598,590,781.80 = 262,899,650.80 : x
  2. Step 2: Convert to fraction form
    399,060,521.20/598,590,781.80 = 262,899,650.80/x
  3. Step 3: Cross multiply
    399,060,521.20x = 598,590,781.80 × 262,899,650.80
  4. Step 4: Simplify right side
    399,060,521.20x = 157,369,307,507,318,976
  5. Step 5: Solve for x
    x = 157,369,307,507,318,976/399,060,521.20
  6. Step 6: Final answer
    x = 394,349,476.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.