Home / 766,476,090.80-1,149,714,136.20-275,424,606.80

Finding the Fourth Proportional to 766,476,090.80, 1,149,714,136.20 and 275,424,606.80

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Solution

The fourth proportional to 766,476,090.80, 1,149,714,136.20 and 275,424,606.80 is: 413,136,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,476,090.80 : 1,149,714,136.20 = 275,424,606.80 : x
  2. Step 2: Convert to fraction form
    766,476,090.80/1,149,714,136.20 = 275,424,606.80/x
  3. Step 3: Cross multiply
    766,476,090.80x = 1,149,714,136.20 × 275,424,606.80
  4. Step 4: Simplify right side
    766,476,090.80x = 316,659,563,895,286,656
  5. Step 5: Solve for x
    x = 316,659,563,895,286,656/766,476,090.80
  6. Step 6: Final answer
    x = 413,136,910.20

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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.