Home / 2,651,018,085.33-3,975,889,398.76-810,786,705.81

Finding the Fourth Proportional to 2,651,018,085.33, 3,975,889,398.76 and 810,786,705.81

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Solution

The fourth proportional to 2,651,018,085.33, 3,975,889,398.76 and 810,786,705.81 is: 1,215,985,015.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651,018,085.33 : 3,975,889,398.76 = 810,786,705.81 : x
  2. Step 2: Convert to fraction form
    2,651,018,085.33/3,975,889,398.76 = 810,786,705.81/x
  3. Step 3: Cross multiply
    2,651,018,085.33x = 3,975,889,398.76 × 810,786,705.81
  4. Step 4: Simplify right side
    2,651,018,085.33x = 3,223,598,268,285,521,920
  5. Step 5: Solve for x
    x = 3,223,598,268,285,521,920/2,651,018,085.33
  6. Step 6: Final answer
    x = 1,215,985,015.77

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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.