Home / 684,891,123,558.80-945,150,369,976.40-376,262,475,610.15

Finding the Fourth Proportional to 684,891,123,558.80, 945,150,369,976.40 and 376,262,475,610.15

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Solution

The fourth proportional to 684,891,123,558.80, 945,150,369,976.40 and 376,262,475,610.15 is: 519,242,556,661.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,891,123,558.80 : 945,150,369,976.40 = 376,262,475,610.15 : x
  2. Step 2: Convert to fraction form
    684,891,123,558.80/945,150,369,976.40 = 376,262,475,610.15/x
  3. Step 3: Cross multiply
    684,891,123,558.80x = 945,150,369,976.40 × 376,262,475,610.15
  4. Step 4: Simplify right side
    684,891,123,558.80x = 355,624,618,031,169,469,939,712
  5. Step 5: Solve for x
    x = 355,624,618,031,169,469,939,712/684,891,123,558.80
  6. Step 6: Final answer
    x = 519,242,556,661.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.