Home / 635,542,015.38-877,121,461.80-371,290,064.04

Finding the Fourth Proportional to 635,542,015.38, 877,121,461.80 and 371,290,064.04

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Solution

The fourth proportional to 635,542,015.38, 877,121,461.80 and 371,290,064.04 is: 512,423,216.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,542,015.38 : 877,121,461.80 = 371,290,064.04 : x
  2. Step 2: Convert to fraction form
    635,542,015.38/877,121,461.80 = 371,290,064.04/x
  3. Step 3: Cross multiply
    635,542,015.38x = 877,121,461.80 × 371,290,064.04
  4. Step 4: Simplify right side
    635,542,015.38x = 325,666,483,722,580,416
  5. Step 5: Solve for x
    x = 325,666,483,722,580,416/635,542,015.38
  6. Step 6: Final answer
    x = 512,423,216.47

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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.