Home / 472,396,046.10-708,594,069.15-265,771,785.30

Finding the Fourth Proportional to 472,396,046.10, 708,594,069.15 and 265,771,785.30

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Solution

The fourth proportional to 472,396,046.10, 708,594,069.15 and 265,771,785.30 is: 398,657,677.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,396,046.10 : 708,594,069.15 = 265,771,785.30 : x
  2. Step 2: Convert to fraction form
    472,396,046.10/708,594,069.15 = 265,771,785.30/x
  3. Step 3: Cross multiply
    472,396,046.10x = 708,594,069.15 × 265,771,785.30
  4. Step 4: Simplify right side
    472,396,046.10x = 188,324,310,810,987,168
  5. Step 5: Solve for x
    x = 188,324,310,810,987,168/472,396,046.10
  6. Step 6: Final answer
    x = 398,657,677.95

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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.