Home / 769,669,529.00-1,154,387,643.19-209,475,011.73

Finding the Fourth Proportional to 769,669,529.00, 1,154,387,643.19 and 209,475,011.73

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Solution

The fourth proportional to 769,669,529.00, 1,154,387,643.19 and 209,475,011.73 is: 314,180,769.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,669,529.00 : 1,154,387,643.19 = 209,475,011.73 : x
  2. Step 2: Convert to fraction form
    769,669,529.00/1,154,387,643.19 = 209,475,011.73/x
  3. Step 3: Cross multiply
    769,669,529.00x = 1,154,387,643.19 × 209,475,011.73
  4. Step 4: Simplify right side
    769,669,529.00x = 241,815,365,095,498,368
  5. Step 5: Solve for x
    x = 241,815,365,095,498,368/769,669,529.00
  6. Step 6: Final answer
    x = 314,180,769.78

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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.