Home / 757,804,028.40-1,136,706,042.60-512,916,015.60

Finding the Fourth Proportional to 757,804,028.40, 1,136,706,042.60 and 512,916,015.60

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Solution

The fourth proportional to 757,804,028.40, 1,136,706,042.60 and 512,916,015.60 is: 769,374,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,804,028.40 : 1,136,706,042.60 = 512,916,015.60 : x
  2. Step 2: Convert to fraction form
    757,804,028.40/1,136,706,042.60 = 512,916,015.60/x
  3. Step 3: Cross multiply
    757,804,028.40x = 1,136,706,042.60 × 512,916,015.60
  4. Step 4: Simplify right side
    757,804,028.40x = 583,034,734,278,835,840
  5. Step 5: Solve for x
    x = 583,034,734,278,835,840/757,804,028.40
  6. Step 6: Final answer
    x = 769,374,023.40

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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.