Home / 472,396,219.80-708,594,329.70-144,922,275.60

Finding the Fourth Proportional to 472,396,219.80, 708,594,329.70 and 144,922,275.60

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Solution

The fourth proportional to 472,396,219.80, 708,594,329.70 and 144,922,275.60 is: 217,383,413.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,396,219.80 : 708,594,329.70 = 144,922,275.60 : x
  2. Step 2: Convert to fraction form
    472,396,219.80/708,594,329.70 = 144,922,275.60/x
  3. Step 3: Cross multiply
    472,396,219.80x = 708,594,329.70 × 144,922,275.60
  4. Step 4: Simplify right side
    472,396,219.80x = 102,691,102,737,380,672
  5. Step 5: Solve for x
    x = 102,691,102,737,380,672/472,396,219.80
  6. Step 6: Final answer
    x = 217,383,413.40

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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.