Home / 554,348,028.52-764,947,949.70-331,285,301.32

Finding the Fourth Proportional to 554,348,028.52, 764,947,949.70 and 331,285,301.32

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Solution

The fourth proportional to 554,348,028.52, 764,947,949.70 and 331,285,301.32 is: 457,142,442.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,348,028.52 : 764,947,949.70 = 331,285,301.32 : x
  2. Step 2: Convert to fraction form
    554,348,028.52/764,947,949.70 = 331,285,301.32/x
  3. Step 3: Cross multiply
    554,348,028.52x = 764,947,949.70 × 331,285,301.32
  4. Step 4: Simplify right side
    554,348,028.52x = 253,416,012,010,480,704
  5. Step 5: Solve for x
    x = 253,416,012,010,480,704/554,348,028.52
  6. Step 6: Final answer
    x = 457,142,442.97

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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.