Home / 264,434,634.43-396,653,641.91-77,687,813.60

Finding the Fourth Proportional to 264,434,634.43, 396,653,641.91 and 77,687,813.60

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Solution

The fourth proportional to 264,434,634.43, 396,653,641.91 and 77,687,813.60 is: 116,532,216.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,434,634.43 : 396,653,641.91 = 77,687,813.60 : x
  2. Step 2: Convert to fraction form
    264,434,634.43/396,653,641.91 = 77,687,813.60/x
  3. Step 3: Cross multiply
    264,434,634.43x = 396,653,641.91 × 77,687,813.60
  4. Step 4: Simplify right side
    264,434,634.43x = 30,815,154,197,068,424
  5. Step 5: Solve for x
    x = 30,815,154,197,068,424/264,434,634.43
  6. Step 6: Final answer
    x = 116,532,216.98

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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.