Home / 233,280,919.60-349,921,379.40-220,809,770.80

Finding the Fourth Proportional to 233,280,919.60, 349,921,379.40 and 220,809,770.80

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Solution

The fourth proportional to 233,280,919.60, 349,921,379.40 and 220,809,770.80 is: 331,214,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,280,919.60 : 349,921,379.40 = 220,809,770.80 : x
  2. Step 2: Convert to fraction form
    233,280,919.60/349,921,379.40 = 220,809,770.80/x
  3. Step 3: Cross multiply
    233,280,919.60x = 349,921,379.40 × 220,809,770.80
  4. Step 4: Simplify right side
    233,280,919.60x = 77,266,059,583,333,840
  5. Step 5: Solve for x
    x = 77,266,059,583,333,840/233,280,919.60
  6. Step 6: Final answer
    x = 331,214,656.20

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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.