Home / 551,126,413.80-826,689,620.70-162,914,668.20

Finding the Fourth Proportional to 551,126,413.80, 826,689,620.70 and 162,914,668.20

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Solution

The fourth proportional to 551,126,413.80, 826,689,620.70 and 162,914,668.20 is: 244,372,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,126,413.80 : 826,689,620.70 = 162,914,668.20 : x
  2. Step 2: Convert to fraction form
    551,126,413.80/826,689,620.70 = 162,914,668.20/x
  3. Step 3: Cross multiply
    551,126,413.80x = 826,689,620.70 × 162,914,668.20
  4. Step 4: Simplify right side
    551,126,413.80x = 134,679,865,260,724,352
  5. Step 5: Solve for x
    x = 134,679,865,260,724,352/551,126,413.80
  6. Step 6: Final answer
    x = 244,372,002.30

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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.