Home / 356,805,853.76-534,575,249.04-149,086,993.28

Finding the Fourth Proportional to 356,805,853.76, 534,575,249.04 and 149,086,993.28

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Solution

The fourth proportional to 356,805,853.76, 534,575,249.04 and 149,086,993.28 is: 223,365,776.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,805,853.76 : 534,575,249.04 = 149,086,993.28 : x
  2. Step 2: Convert to fraction form
    356,805,853.76/534,575,249.04 = 149,086,993.28/x
  3. Step 3: Cross multiply
    356,805,853.76x = 534,575,249.04 × 149,086,993.28
  4. Step 4: Simplify right side
    356,805,853.76x = 79,698,216,561,280,816
  5. Step 5: Solve for x
    x = 79,698,216,561,280,816/356,805,853.76
  6. Step 6: Final answer
    x = 223,365,776.43

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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.