Home / 635,985,019.02-877,067,194.61-412,727,983.52

Finding the Fourth Proportional to 635,985,019.02, 877,067,194.61 and 412,727,983.52

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Solution

The fourth proportional to 635,985,019.02, 877,067,194.61 and 412,727,983.52 is: 569,180,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,985,019.02 : 877,067,194.61 = 412,727,983.52 : x
  2. Step 2: Convert to fraction form
    635,985,019.02/877,067,194.61 = 412,727,983.52/x
  3. Step 3: Cross multiply
    635,985,019.02x = 877,067,194.61 × 412,727,983.52
  4. Step 4: Simplify right side
    635,985,019.02x = 361,990,174,636,479,744
  5. Step 5: Solve for x
    x = 361,990,174,636,479,744/635,985,019.02
  6. Step 6: Final answer
    x = 569,180,348.30

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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.