Home / 1,371,413,237.42-1,892,518,078.42-806,934,679.94

Finding the Fourth Proportional to 1,371,413,237.42, 1,892,518,078.42 and 806,934,679.94

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Solution

The fourth proportional to 1,371,413,237.42, 1,892,518,078.42 and 806,934,679.94 is: 1,113,550,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,413,237.42 : 1,892,518,078.42 = 806,934,679.94 : x
  2. Step 2: Convert to fraction form
    1,371,413,237.42/1,892,518,078.42 = 806,934,679.94/x
  3. Step 3: Cross multiply
    1,371,413,237.42x = 1,892,518,078.42 × 806,934,679.94
  4. Step 4: Simplify right side
    1,371,413,237.42x = 1,527,138,469,896,286,720
  5. Step 5: Solve for x
    x = 1,527,138,469,896,286,720/1,371,413,237.42
  6. Step 6: Final answer
    x = 1,113,550,918.30

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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.