Home / 382,693,228.80-528,279,900.68-257,318,095.60

Finding the Fourth Proportional to 382,693,228.80, 528,279,900.68 and 257,318,095.60

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Solution

The fourth proportional to 382,693,228.80, 528,279,900.68 and 257,318,095.60 is: 355,208,735.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,693,228.80 : 528,279,900.68 = 257,318,095.60 : x
  2. Step 2: Convert to fraction form
    382,693,228.80/528,279,900.68 = 257,318,095.60/x
  3. Step 3: Cross multiply
    382,693,228.80x = 528,279,900.68 × 257,318,095.60
  4. Step 4: Simplify right side
    382,693,228.80x = 135,935,977,986,734,736
  5. Step 5: Solve for x
    x = 135,935,977,986,734,736/382,693,228.80
  6. Step 6: Final answer
    x = 355,208,735.76

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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.