Home / 684,891,123,558.30-945,150,369,975.70-376,262,475,609.65

Finding the Fourth Proportional to 684,891,123,558.30, 945,150,369,975.70 and 376,262,475,609.65

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Solution

The fourth proportional to 684,891,123,558.30, 945,150,369,975.70 and 376,262,475,609.65 is: 519,242,556,660.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,891,123,558.30 : 945,150,369,975.70 = 376,262,475,609.65 : x
  2. Step 2: Convert to fraction form
    684,891,123,558.30/945,150,369,975.70 = 376,262,475,609.65/x
  3. Step 3: Cross multiply
    684,891,123,558.30x = 945,150,369,975.70 × 376,262,475,609.65
  4. Step 4: Simplify right side
    684,891,123,558.30x = 355,624,618,030,433,487,028,224
  5. Step 5: Solve for x
    x = 355,624,618,030,433,487,028,224/684,891,123,558.30
  6. Step 6: Final answer
    x = 519,242,556,660.41

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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.