Home / 789,895,668-1,185,607,721.52-381,239,496.48

Finding the Fourth Proportional to 789,895,668, 1,185,607,721.52 and 381,239,496.48

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Solution

The fourth proportional to 789,895,668, 1,185,607,721.52 and 381,239,496.48 is: 572,228,091.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,895,668 : 1,185,607,721.52 = 381,239,496.48 : x
  2. Step 2: Convert to fraction form
    789,895,668/1,185,607,721.52 = 381,239,496.48/x
  3. Step 3: Cross multiply
    789,895,668x = 1,185,607,721.52 × 381,239,496.48
  4. Step 4: Simplify right side
    789,895,668x = 452,000,490,775,084,864
  5. Step 5: Solve for x
    x = 452,000,490,775,084,864/789,895,668
  6. Step 6: Final answer
    x = 572,228,091.74

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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.