Home / 589,943,939.80-885,923,679.30-386,374,480.60

Finding the Fourth Proportional to 589,943,939.80, 885,923,679.30 and 386,374,480.60

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Solution

The fourth proportional to 589,943,939.80, 885,923,679.30 and 386,374,480.60 is: 580,221,743.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,943,939.80 : 885,923,679.30 = 386,374,480.60 : x
  2. Step 2: Convert to fraction form
    589,943,939.80/885,923,679.30 = 386,374,480.60/x
  3. Step 3: Cross multiply
    589,943,939.80x = 885,923,679.30 × 386,374,480.60
  4. Step 4: Simplify right side
    589,943,939.80x = 342,298,301,440,778,496
  5. Step 5: Solve for x
    x = 342,298,301,440,778,496/589,943,939.80
  6. Step 6: Final answer
    x = 580,221,743.71

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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.