Home / 619,542,230.80-929,313,346.20-344,043,216.40

Finding the Fourth Proportional to 619,542,230.80, 929,313,346.20 and 344,043,216.40

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Solution

The fourth proportional to 619,542,230.80, 929,313,346.20 and 344,043,216.40 is: 516,064,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,542,230.80 : 929,313,346.20 = 344,043,216.40 : x
  2. Step 2: Convert to fraction form
    619,542,230.80/929,313,346.20 = 344,043,216.40/x
  3. Step 3: Cross multiply
    619,542,230.80x = 929,313,346.20 × 344,043,216.40
  4. Step 4: Simplify right side
    619,542,230.80x = 319,723,952,670,094,720
  5. Step 5: Solve for x
    x = 319,723,952,670,094,720/619,542,230.80
  6. Step 6: Final answer
    x = 516,064,824.60

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1.5x scale

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.