Home / 722,278,745.43-1,081,578,904.20-475,888,394.04

Finding the Fourth Proportional to 722,278,745.43, 1,081,578,904.20 and 475,888,394.04

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Solution

The fourth proportional to 722,278,745.43, 1,081,578,904.20 and 475,888,394.04 is: 712,620,786.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,278,745.43 : 1,081,578,904.20 = 475,888,394.04 : x
  2. Step 2: Convert to fraction form
    722,278,745.43/1,081,578,904.20 = 475,888,394.04/x
  3. Step 3: Cross multiply
    722,278,745.43x = 1,081,578,904.20 × 475,888,394.04
  4. Step 4: Simplify right side
    722,278,745.43x = 514,710,847,747,281,088
  5. Step 5: Solve for x
    x = 514,710,847,747,281,088/722,278,745.43
  6. Step 6: Final answer
    x = 712,620,786.65

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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.