Home / 386,222,571.60-579,333,857.40-336,337,976.40

Finding the Fourth Proportional to 386,222,571.60, 579,333,857.40 and 336,337,976.40

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Solution

The fourth proportional to 386,222,571.60, 579,333,857.40 and 336,337,976.40 is: 504,506,964.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,222,571.60 : 579,333,857.40 = 336,337,976.40 : x
  2. Step 2: Convert to fraction form
    386,222,571.60/579,333,857.40 = 336,337,976.40/x
  3. Step 3: Cross multiply
    386,222,571.60x = 579,333,857.40 × 336,337,976.40
  4. Step 4: Simplify right side
    386,222,571.60x = 194,851,977,257,922,144
  5. Step 5: Solve for x
    x = 194,851,977,257,922,144/386,222,571.60
  6. Step 6: Final answer
    x = 504,506,964.60

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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.