Home / 619,452,824.64-929,319,222.88-204,928,665.59

Finding the Fourth Proportional to 619,452,824.64, 929,319,222.88 and 204,928,665.59

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Solution

The fourth proportional to 619,452,824.64, 929,319,222.88 and 204,928,665.59 is: 307,439,308.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,452,824.64 : 929,319,222.88 = 204,928,665.59 : x
  2. Step 2: Convert to fraction form
    619,452,824.64/929,319,222.88 = 204,928,665.59/x
  3. Step 3: Cross multiply
    619,452,824.64x = 929,319,222.88 × 204,928,665.59
  4. Step 4: Simplify right side
    619,452,824.64x = 190,444,148,255,921,920
  5. Step 5: Solve for x
    x = 190,444,148,255,921,920/619,452,824.64
  6. Step 6: Final answer
    x = 307,439,308.82

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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.