Home / 472,393,078.90-708,589,618.35-165,645,333.70

Finding the Fourth Proportional to 472,393,078.90, 708,589,618.35 and 165,645,333.70

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Solution

The fourth proportional to 472,393,078.90, 708,589,618.35 and 165,645,333.70 is: 248,468,000.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,078.90 : 708,589,618.35 = 165,645,333.70 : x
  2. Step 2: Convert to fraction form
    472,393,078.90/708,589,618.35 = 165,645,333.70/x
  3. Step 3: Cross multiply
    472,393,078.90x = 708,589,618.35 × 165,645,333.70
  4. Step 4: Simplify right side
    472,393,078.90x = 117,374,563,787,941,392
  5. Step 5: Solve for x
    x = 117,374,563,787,941,392/472,393,078.90
  6. Step 6: Final answer
    x = 248,468,000.55

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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.