Home / 295,642,873.44-407,989,805.28-163,492,812

Finding the Fourth Proportional to 295,642,873.44, 407,989,805.28 and 163,492,812

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Solution

The fourth proportional to 295,642,873.44, 407,989,805.28 and 163,492,812 is: 225,621,540.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,642,873.44 : 407,989,805.28 = 163,492,812 : x
  2. Step 2: Convert to fraction form
    295,642,873.44/407,989,805.28 = 163,492,812/x
  3. Step 3: Cross multiply
    295,642,873.44x = 407,989,805.28 × 163,492,812
  4. Step 4: Simplify right side
    295,642,873.44x = 66,703,400,532,559,640
  5. Step 5: Solve for x
    x = 66,703,400,532,559,640/295,642,873.44
  6. Step 6: Final answer
    x = 225,621,540.46

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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.