Home / 800,265,467.36-1,200,230,237.04-225,702,426.08

Finding the Fourth Proportional to 800,265,467.36, 1,200,230,237.04 and 225,702,426.08

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Solution

The fourth proportional to 800,265,467.36, 1,200,230,237.04 and 225,702,426.08 is: 338,506,267.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,265,467.36 : 1,200,230,237.04 = 225,702,426.08 : x
  2. Step 2: Convert to fraction form
    800,265,467.36/1,200,230,237.04 = 225,702,426.08/x
  3. Step 3: Cross multiply
    800,265,467.36x = 1,200,230,237.04 × 225,702,426.08
  4. Step 4: Simplify right side
    800,265,467.36x = 270,894,876,354,501,472
  5. Step 5: Solve for x
    x = 270,894,876,354,501,472/800,265,467.36
  6. Step 6: Final answer
    x = 338,506,267.49

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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.