Home / 587,121,809.80-880,682,714.70-393,630,046.60

Finding the Fourth Proportional to 587,121,809.80, 880,682,714.70 and 393,630,046.60

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Solution

The fourth proportional to 587,121,809.80, 880,682,714.70 and 393,630,046.60 is: 590,445,069.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,121,809.80 : 880,682,714.70 = 393,630,046.60 : x
  2. Step 2: Convert to fraction form
    587,121,809.80/880,682,714.70 = 393,630,046.60/x
  3. Step 3: Cross multiply
    587,121,809.80x = 880,682,714.70 × 393,630,046.60
  4. Step 4: Simplify right side
    587,121,809.80x = 346,663,178,027,175,552
  5. Step 5: Solve for x
    x = 346,663,178,027,175,552/587,121,809.80
  6. Step 6: Final answer
    x = 590,445,069.90

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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.