Home / 848,454,262.68-1,272,682,108.38-405,692,769

Finding the Fourth Proportional to 848,454,262.68, 1,272,682,108.38 and 405,692,769

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Solution

The fourth proportional to 848,454,262.68, 1,272,682,108.38 and 405,692,769 is: 608,539,495.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,454,262.68 : 1,272,682,108.38 = 405,692,769 : x
  2. Step 2: Convert to fraction form
    848,454,262.68/1,272,682,108.38 = 405,692,769/x
  3. Step 3: Cross multiply
    848,454,262.68x = 1,272,682,108.38 × 405,692,769
  4. Step 4: Simplify right side
    848,454,262.68x = 516,317,928,605,440,320
  5. Step 5: Solve for x
    x = 516,317,928,605,440,320/848,454,262.68
  6. Step 6: Final answer
    x = 608,539,495.07

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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.