Home / 539,109,919.14-810,086,847.83-290,299,133.65

Finding the Fourth Proportional to 539,109,919.14, 810,086,847.83 and 290,299,133.65

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Solution

The fourth proportional to 539,109,919.14, 810,086,847.83 and 290,299,133.65 is: 436,214,400.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,109,919.14 : 810,086,847.83 = 290,299,133.65 : x
  2. Step 2: Convert to fraction form
    539,109,919.14/810,086,847.83 = 290,299,133.65/x
  3. Step 3: Cross multiply
    539,109,919.14x = 810,086,847.83 × 290,299,133.65
  4. Step 4: Simplify right side
    539,109,919.14x = 235,167,510,106,308,384
  5. Step 5: Solve for x
    x = 235,167,510,106,308,384/539,109,919.14
  6. Step 6: Final answer
    x = 436,214,400.36

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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.