Home / 460,391,199.30-635,621,405.85-299,608,389.54

Finding the Fourth Proportional to 460,391,199.30, 635,621,405.85 and 299,608,389.54

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Solution

The fourth proportional to 460,391,199.30, 635,621,405.85 and 299,608,389.54 is: 413,642,802.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,391,199.30 : 635,621,405.85 = 299,608,389.54 : x
  2. Step 2: Convert to fraction form
    460,391,199.30/635,621,405.85 = 299,608,389.54/x
  3. Step 3: Cross multiply
    460,391,199.30x = 635,621,405.85 × 299,608,389.54
  4. Step 4: Simplify right side
    460,391,199.30x = 190,437,505,763,869,248
  5. Step 5: Solve for x
    x = 190,437,505,763,869,248/460,391,199.30
  6. Step 6: Final answer
    x = 413,642,802.15

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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.