Home / 470,752,842.70-706,231,415.73-143,219,843.63

Finding the Fourth Proportional to 470,752,842.70, 706,231,415.73 and 143,219,843.63

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Solution

The fourth proportional to 470,752,842.70, 706,231,415.73 and 143,219,843.63 is: 214,860,843.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,752,842.70 : 706,231,415.73 = 143,219,843.63 : x
  2. Step 2: Convert to fraction form
    470,752,842.70/706,231,415.73 = 143,219,843.63/x
  3. Step 3: Cross multiply
    470,752,842.70x = 706,231,415.73 × 143,219,843.63
  4. Step 4: Simplify right side
    470,752,842.70x = 101,146,352,927,098,400
  5. Step 5: Solve for x
    x = 101,146,352,927,098,400/470,752,842.70
  6. Step 6: Final answer
    x = 214,860,843.64

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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.