Home / 619,542,229.80-929,313,344.70-344,043,215.40

Finding the Fourth Proportional to 619,542,229.80, 929,313,344.70 and 344,043,215.40

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Solution

The fourth proportional to 619,542,229.80, 929,313,344.70 and 344,043,215.40 is: 516,064,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,542,229.80 : 929,313,344.70 = 344,043,215.40 : x
  2. Step 2: Convert to fraction form
    619,542,229.80/929,313,344.70 = 344,043,215.40/x
  3. Step 3: Cross multiply
    619,542,229.80x = 929,313,344.70 × 344,043,215.40
  4. Step 4: Simplify right side
    619,542,229.80x = 319,723,951,224,716,544
  5. Step 5: Solve for x
    x = 319,723,951,224,716,544/619,542,229.80
  6. Step 6: Final answer
    x = 516,064,823.10

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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.