Home / 460,391,187.80-635,621,389.98-299,608,378.04

Finding the Fourth Proportional to 460,391,187.80, 635,621,389.98 and 299,608,378.04

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Solution

The fourth proportional to 460,391,187.80, 635,621,389.98 and 299,608,378.04 is: 413,642,786.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,391,187.80 : 635,621,389.98 = 299,608,378.04 : x
  2. Step 2: Convert to fraction form
    460,391,187.80/635,621,389.98 = 299,608,378.04/x
  3. Step 3: Cross multiply
    460,391,187.80x = 635,621,389.98 × 299,608,378.04
  4. Step 4: Simplify right side
    460,391,187.80x = 190,437,493,699,438,112
  5. Step 5: Solve for x
    x = 190,437,493,699,438,112/460,391,187.80
  6. Step 6: Final answer
    x = 413,642,786.28

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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.