Home / 959,108,686.92-1,439,236,978.56-413,850,220.92

Finding the Fourth Proportional to 959,108,686.92, 1,439,236,978.56 and 413,850,220.92

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Solution

The fourth proportional to 959,108,686.92, 1,439,236,978.56 and 413,850,220.92 is: 621,022,986.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,108,686.92 : 1,439,236,978.56 = 413,850,220.92 : x
  2. Step 2: Convert to fraction form
    959,108,686.92/1,439,236,978.56 = 413,850,220.92/x
  3. Step 3: Cross multiply
    959,108,686.92x = 1,439,236,978.56 × 413,850,220.92
  4. Step 4: Simplify right side
    959,108,686.92x = 595,628,541,533,289,344
  5. Step 5: Solve for x
    x = 595,628,541,533,289,344/959,108,686.92
  6. Step 6: Final answer
    x = 621,022,986.92

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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.