Home / 791,328,268.87-1,185,494,154.89-528,219,469.24

Finding the Fourth Proportional to 791,328,268.87, 1,185,494,154.89 and 528,219,469.24

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Solution

The fourth proportional to 791,328,268.87, 1,185,494,154.89 and 528,219,469.24 is: 791,329,108.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,328,268.87 : 1,185,494,154.89 = 528,219,469.24 : x
  2. Step 2: Convert to fraction form
    791,328,268.87/1,185,494,154.89 = 528,219,469.24/x
  3. Step 3: Cross multiply
    791,328,268.87x = 1,185,494,154.89 × 528,219,469.24
  4. Step 4: Simplify right side
    791,328,268.87x = 626,201,093,277,513,344
  5. Step 5: Solve for x
    x = 626,201,093,277,513,344/791,328,268.87
  6. Step 6: Final answer
    x = 791,329,108.18

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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.