Home / 720,846,082.80-1,081,269,124.20-414,736,066.80

Finding the Fourth Proportional to 720,846,082.80, 1,081,269,124.20 and 414,736,066.80

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Solution

The fourth proportional to 720,846,082.80, 1,081,269,124.20 and 414,736,066.80 is: 622,104,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,846,082.80 : 1,081,269,124.20 = 414,736,066.80 : x
  2. Step 2: Convert to fraction form
    720,846,082.80/1,081,269,124.20 = 414,736,066.80/x
  3. Step 3: Cross multiply
    720,846,082.80x = 1,081,269,124.20 × 414,736,066.80
  4. Step 4: Simplify right side
    720,846,082.80x = 448,441,303,722,988,736
  5. Step 5: Solve for x
    x = 448,441,303,722,988,736/720,846,082.80
  6. Step 6: Final answer
    x = 622,104,100.20

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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.