Home / 757,804,518.15-1,136,706,777.23-512,916,505.35

Finding the Fourth Proportional to 757,804,518.15, 1,136,706,777.23 and 512,916,505.35

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Solution

The fourth proportional to 757,804,518.15, 1,136,706,777.23 and 512,916,505.35 is: 769,374,758.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,804,518.15 : 1,136,706,777.23 = 512,916,505.35 : x
  2. Step 2: Convert to fraction form
    757,804,518.15/1,136,706,777.23 = 512,916,505.35/x
  3. Step 3: Cross multiply
    757,804,518.15x = 1,136,706,777.23 × 512,916,505.35
  4. Step 4: Simplify right side
    757,804,518.15x = 583,035,667,781,907,968
  5. Step 5: Solve for x
    x = 583,035,667,781,907,968/757,804,518.15
  6. Step 6: Final answer
    x = 769,374,758.03

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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.