Home / 774,431,299.31-1,068,709,276.28-422,006,200.16

Finding the Fourth Proportional to 774,431,299.31, 1,068,709,276.28 and 422,006,200.16

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Solution

The fourth proportional to 774,431,299.31, 1,068,709,276.28 and 422,006,200.16 is: 582,365,332.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,431,299.31 : 1,068,709,276.28 = 422,006,200.16 : x
  2. Step 2: Convert to fraction form
    774,431,299.31/1,068,709,276.28 = 422,006,200.16/x
  3. Step 3: Cross multiply
    774,431,299.31x = 1,068,709,276.28 × 422,006,200.16
  4. Step 4: Simplify right side
    774,431,299.31x = 451,001,940,754,377,856
  5. Step 5: Solve for x
    x = 451,001,940,754,377,856/774,431,299.31
  6. Step 6: Final answer
    x = 582,365,332.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.