Home / 482,562,912.80-723,872,362.80-137,541,792.80

Finding the Fourth Proportional to 482,562,912.80, 723,872,362.80 and 137,541,792.80

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Solution

The fourth proportional to 482,562,912.80, 723,872,362.80 and 137,541,792.80 is: 206,320,668.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,562,912.80 : 723,872,362.80 = 137,541,792.80 : x
  2. Step 2: Convert to fraction form
    482,562,912.80/723,872,362.80 = 137,541,792.80/x
  3. Step 3: Cross multiply
    482,562,912.80x = 723,872,362.80 × 137,541,792.80
  4. Step 4: Simplify right side
    482,562,912.80x = 99,562,702,537,884,032
  5. Step 5: Solve for x
    x = 99,562,702,537,884,032/482,562,912.80
  6. Step 6: Final answer
    x = 206,320,668.04

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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.