Home / 757,804,575.90-1,136,706,863.85-512,916,563.10

Finding the Fourth Proportional to 757,804,575.90, 1,136,706,863.85 and 512,916,563.10

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Solution

The fourth proportional to 757,804,575.90, 1,136,706,863.85 and 512,916,563.10 is: 769,374,844.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,804,575.90 : 1,136,706,863.85 = 512,916,563.10 : x
  2. Step 2: Convert to fraction form
    757,804,575.90/1,136,706,863.85 = 512,916,563.10/x
  3. Step 3: Cross multiply
    757,804,575.90x = 1,136,706,863.85 × 512,916,563.10
  4. Step 4: Simplify right side
    757,804,575.90x = 583,035,777,858,121,600
  5. Step 5: Solve for x
    x = 583,035,777,858,121,600/757,804,575.90
  6. Step 6: Final answer
    x = 769,374,844.65

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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.