Home / 205,090,317,958.35-307,607,550,693.16-53,983,965,608.96

Finding the Fourth Proportional to 205,090,317,958.35, 307,607,550,693.16 and 53,983,965,608.96

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Solution

The fourth proportional to 205,090,317,958.35, 307,607,550,693.16 and 53,983,965,608.96 is: 80,968,597,654.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,090,317,958.35 : 307,607,550,693.16 = 53,983,965,608.96 : x
  2. Step 2: Convert to fraction form
    205,090,317,958.35/307,607,550,693.16 = 53,983,965,608.96/x
  3. Step 3: Cross multiply
    205,090,317,958.35x = 307,607,550,693.16 × 53,983,965,608.96
  4. Step 4: Simplify right side
    205,090,317,958.35x = 16,605,875,437,674,430,464,000
  5. Step 5: Solve for x
    x = 16,605,875,437,674,430,464,000/205,090,317,958.35
  6. Step 6: Final answer
    x = 80,968,597,654.85

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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.