Home / 323,690,722.87-446,734,109.25-212,275,298.20

Finding the Fourth Proportional to 323,690,722.87, 446,734,109.25 and 212,275,298.20

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Solution

The fourth proportional to 323,690,722.87, 446,734,109.25 and 212,275,298.20 is: 292,966,741.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,690,722.87 : 446,734,109.25 = 212,275,298.20 : x
  2. Step 2: Convert to fraction form
    323,690,722.87/446,734,109.25 = 212,275,298.20/x
  3. Step 3: Cross multiply
    323,690,722.87x = 446,734,109.25 × 212,275,298.20
  4. Step 4: Simplify right side
    323,690,722.87x = 94,830,616,257,155,120
  5. Step 5: Solve for x
    x = 94,830,616,257,155,120/323,690,722.87
  6. Step 6: Final answer
    x = 292,966,741.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.