Home / 757,374,431.80-1,136,061,647.70-349,227,743.80

Finding the Fourth Proportional to 757,374,431.80, 1,136,061,647.70 and 349,227,743.80

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Solution

The fourth proportional to 757,374,431.80, 1,136,061,647.70 and 349,227,743.80 is: 523,841,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,374,431.80 : 1,136,061,647.70 = 349,227,743.80 : x
  2. Step 2: Convert to fraction form
    757,374,431.80/1,136,061,647.70 = 349,227,743.80/x
  3. Step 3: Cross multiply
    757,374,431.80x = 1,136,061,647.70 × 349,227,743.80
  4. Step 4: Simplify right side
    757,374,431.80x = 396,744,246,043,981,504
  5. Step 5: Solve for x
    x = 396,744,246,043,981,504/757,374,431.80
  6. Step 6: Final answer
    x = 523,841,615.70

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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.