Home / 672,453,403.20-1,008,680,104.80-236,246,630.40

Finding the Fourth Proportional to 672,453,403.20, 1,008,680,104.80 and 236,246,630.40

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Solution

The fourth proportional to 672,453,403.20, 1,008,680,104.80 and 236,246,630.40 is: 354,369,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,453,403.20 : 1,008,680,104.80 = 236,246,630.40 : x
  2. Step 2: Convert to fraction form
    672,453,403.20/1,008,680,104.80 = 236,246,630.40/x
  3. Step 3: Cross multiply
    672,453,403.20x = 1,008,680,104.80 × 236,246,630.40
  4. Step 4: Simplify right side
    672,453,403.20x = 238,297,275,910,518,848
  5. Step 5: Solve for x
    x = 238,297,275,910,518,848/672,453,403.20
  6. Step 6: Final answer
    x = 354,369,945.60

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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.