Home / 899,179,990.84-1,348,862,481.35-339,413,321.32

Finding the Fourth Proportional to 899,179,990.84, 1,348,862,481.35 and 339,413,321.32

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Solution

The fourth proportional to 899,179,990.84, 1,348,862,481.35 and 339,413,321.32 is: 509,154,896.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,179,990.84 : 1,348,862,481.35 = 339,413,321.32 : x
  2. Step 2: Convert to fraction form
    899,179,990.84/1,348,862,481.35 = 339,413,321.32/x
  3. Step 3: Cross multiply
    899,179,990.84x = 1,348,862,481.35 × 339,413,321.32
  4. Step 4: Simplify right side
    899,179,990.84x = 457,821,894,797,243,008
  5. Step 5: Solve for x
    x = 457,821,894,797,243,008/899,179,990.84
  6. Step 6: Final answer
    x = 509,154,896.08

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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.