Home / 607,444,515.72-911,498,479.11-257,636,171.52

Finding the Fourth Proportional to 607,444,515.72, 911,498,479.11 and 257,636,171.52

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Solution

The fourth proportional to 607,444,515.72, 911,498,479.11 and 257,636,171.52 is: 386,594,943.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,444,515.72 : 911,498,479.11 = 257,636,171.52 : x
  2. Step 2: Convert to fraction form
    607,444,515.72/911,498,479.11 = 257,636,171.52/x
  3. Step 3: Cross multiply
    607,444,515.72x = 911,498,479.11 × 257,636,171.52
  4. Step 4: Simplify right side
    607,444,515.72x = 234,834,978,504,203,104
  5. Step 5: Solve for x
    x = 234,834,978,504,203,104/607,444,515.72
  6. Step 6: Final answer
    x = 386,594,943.94

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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.