Home / 516,230,446,194.80-712,400,230,535.30-281,590,847,477.53

Finding the Fourth Proportional to 516,230,446,194.80, 712,400,230,535.30 and 281,590,847,477.53

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Solution

The fourth proportional to 516,230,446,194.80, 712,400,230,535.30 and 281,590,847,477.53 is: 388,596,577,629.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,230,446,194.80 : 712,400,230,535.30 = 281,590,847,477.53 : x
  2. Step 2: Convert to fraction form
    516,230,446,194.80/712,400,230,535.30 = 281,590,847,477.53/x
  3. Step 3: Cross multiply
    516,230,446,194.80x = 712,400,230,535.30 × 281,590,847,477.53
  4. Step 4: Simplify right side
    516,230,446,194.80x = 200,605,384,659,622,921,502,720
  5. Step 5: Solve for x
    x = 200,605,384,659,622,921,502,720/516,230,446,194.80
  6. Step 6: Final answer
    x = 388,596,577,629.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.