Home / 827,455,760.40-1,241,183,640.60-366,905,053.20

Finding the Fourth Proportional to 827,455,760.40, 1,241,183,640.60 and 366,905,053.20

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Solution

The fourth proportional to 827,455,760.40, 1,241,183,640.60 and 366,905,053.20 is: 550,357,579.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,455,760.40 : 1,241,183,640.60 = 366,905,053.20 : x
  2. Step 2: Convert to fraction form
    827,455,760.40/1,241,183,640.60 = 366,905,053.20/x
  3. Step 3: Cross multiply
    827,455,760.40x = 1,241,183,640.60 × 366,905,053.20
  4. Step 4: Simplify right side
    827,455,760.40x = 455,396,549,685,312,640
  5. Step 5: Solve for x
    x = 455,396,549,685,312,640/827,455,760.40
  6. Step 6: Final answer
    x = 550,357,579.80

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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.