Home / 1,029,840,996.80-1,543,567,101.60-416,022,219.20

Finding the Fourth Proportional to 1,029,840,996.80, 1,543,567,101.60 and 416,022,219.20

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Solution

The fourth proportional to 1,029,840,996.80, 1,543,567,101.60 and 416,022,219.20 is: 623,550,832.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,840,996.80 : 1,543,567,101.60 = 416,022,219.20 : x
  2. Step 2: Convert to fraction form
    1,029,840,996.80/1,543,567,101.60 = 416,022,219.20/x
  3. Step 3: Cross multiply
    1,029,840,996.80x = 1,543,567,101.60 × 416,022,219.20
  4. Step 4: Simplify right side
    1,029,840,996.80x = 642,158,211,091,743,872
  5. Step 5: Solve for x
    x = 642,158,211,091,743,872/1,029,840,996.80
  6. Step 6: Final answer
    x = 623,550,832.69

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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.