Home / 403,519,726.80-604,004,131.80-288,728,470.80

Finding the Fourth Proportional to 403,519,726.80, 604,004,131.80 and 288,728,470.80

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Solution

The fourth proportional to 403,519,726.80, 604,004,131.80 and 288,728,470.80 is: 432,180,083.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,519,726.80 : 604,004,131.80 = 288,728,470.80 : x
  2. Step 2: Convert to fraction form
    403,519,726.80/604,004,131.80 = 288,728,470.80/x
  3. Step 3: Cross multiply
    403,519,726.80x = 604,004,131.80 × 288,728,470.80
  4. Step 4: Simplify right side
    403,519,726.80x = 174,393,189,331,495,648
  5. Step 5: Solve for x
    x = 174,393,189,331,495,648/403,519,726.80
  6. Step 6: Final answer
    x = 432,180,083.77

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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.