Home / 899,179,997.73-1,348,862,491.65-339,413,328.20

Finding the Fourth Proportional to 899,179,997.73, 1,348,862,491.65 and 339,413,328.20

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Solution

The fourth proportional to 899,179,997.73, 1,348,862,491.65 and 339,413,328.20 is: 509,154,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,179,997.73 : 1,348,862,491.65 = 339,413,328.20 : x
  2. Step 2: Convert to fraction form
    899,179,997.73/1,348,862,491.65 = 339,413,328.20/x
  3. Step 3: Cross multiply
    899,179,997.73x = 1,348,862,491.65 × 339,413,328.20
  4. Step 4: Simplify right side
    899,179,997.73x = 457,821,907,579,699,200
  5. Step 5: Solve for x
    x = 457,821,907,579,699,200/899,179,997.73
  6. Step 6: Final answer
    x = 509,154,906.40

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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.