Home / 610,980,506.20-916,470,759.30-222,815,999.80

Finding the Fourth Proportional to 610,980,506.20, 916,470,759.30 and 222,815,999.80

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Solution

The fourth proportional to 610,980,506.20, 916,470,759.30 and 222,815,999.80 is: 334,223,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,980,506.20 : 916,470,759.30 = 222,815,999.80 : x
  2. Step 2: Convert to fraction form
    610,980,506.20/916,470,759.30 = 222,815,999.80/x
  3. Step 3: Cross multiply
    610,980,506.20x = 916,470,759.30 × 222,815,999.80
  4. Step 4: Simplify right side
    610,980,506.20x = 204,204,348,520,894,656
  5. Step 5: Solve for x
    x = 204,204,348,520,894,656/610,980,506.20
  6. Step 6: Final answer
    x = 334,223,999.70

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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.