Home / 757,804,920.15-1,136,707,380.23-512,916,907.35

Finding the Fourth Proportional to 757,804,920.15, 1,136,707,380.23 and 512,916,907.35

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Solution

The fourth proportional to 757,804,920.15, 1,136,707,380.23 and 512,916,907.35 is: 769,375,361.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,804,920.15 : 1,136,707,380.23 = 512,916,907.35 : x
  2. Step 2: Convert to fraction form
    757,804,920.15/1,136,707,380.23 = 512,916,907.35/x
  3. Step 3: Cross multiply
    757,804,920.15x = 1,136,707,380.23 × 512,916,907.35
  4. Step 4: Simplify right side
    757,804,920.15x = 583,036,434,026,927,488
  5. Step 5: Solve for x
    x = 583,036,434,026,927,488/757,804,920.15
  6. Step 6: Final answer
    x = 769,375,361.03

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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.