Home / 724,913,109.20-1,088,077,452.60-361,817,454.80

Finding the Fourth Proportional to 724,913,109.20, 1,088,077,452.60 and 361,817,454.80

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Solution

The fourth proportional to 724,913,109.20, 1,088,077,452.60 and 361,817,454.80 is: 543,079,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,913,109.20 : 1,088,077,452.60 = 361,817,454.80 : x
  2. Step 2: Convert to fraction form
    724,913,109.20/1,088,077,452.60 = 361,817,454.80/x
  3. Step 3: Cross multiply
    724,913,109.20x = 1,088,077,452.60 × 361,817,454.80
  4. Step 4: Simplify right side
    724,913,109.20x = 393,685,414,524,999,616
  5. Step 5: Solve for x
    x = 393,685,414,524,999,616/724,913,109.20
  6. Step 6: Final answer
    x = 543,079,452.60

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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.