Home / 412,018,334.25-568,444,679.19-255,328,269.81

Finding the Fourth Proportional to 412,018,334.25, 568,444,679.19 and 255,328,269.81

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Solution

The fourth proportional to 412,018,334.25, 568,444,679.19 and 255,328,269.81 is: 352,265,868.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,018,334.25 : 568,444,679.19 = 255,328,269.81 : x
  2. Step 2: Convert to fraction form
    412,018,334.25/568,444,679.19 = 255,328,269.81/x
  3. Step 3: Cross multiply
    412,018,334.25x = 568,444,679.19 × 255,328,269.81
  4. Step 4: Simplify right side
    412,018,334.25x = 145,139,996,420,283,232
  5. Step 5: Solve for x
    x = 145,139,996,420,283,232/412,018,334.25
  6. Step 6: Final answer
    x = 352,265,868.66

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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.