Home / 561,860,147.70-842,790,221.55-550,381,022.10

Finding the Fourth Proportional to 561,860,147.70, 842,790,221.55 and 550,381,022.10

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Solution

The fourth proportional to 561,860,147.70, 842,790,221.55 and 550,381,022.10 is: 825,571,533.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,860,147.70 : 842,790,221.55 = 550,381,022.10 : x
  2. Step 2: Convert to fraction form
    561,860,147.70/842,790,221.55 = 550,381,022.10/x
  3. Step 3: Cross multiply
    561,860,147.70x = 842,790,221.55 × 550,381,022.10
  4. Step 4: Simplify right side
    561,860,147.70x = 463,855,743,552,574,464
  5. Step 5: Solve for x
    x = 463,855,743,552,574,464/561,860,147.70
  6. Step 6: Final answer
    x = 825,571,533.15

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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.