Home / 631,638,083.40-947,457,125.10-222,735,568.20

Finding the Fourth Proportional to 631,638,083.40, 947,457,125.10 and 222,735,568.20

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Solution

The fourth proportional to 631,638,083.40, 947,457,125.10 and 222,735,568.20 is: 334,103,352.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,638,083.40 : 947,457,125.10 = 222,735,568.20 : x
  2. Step 2: Convert to fraction form
    631,638,083.40/947,457,125.10 = 222,735,568.20/x
  3. Step 3: Cross multiply
    631,638,083.40x = 947,457,125.10 × 222,735,568.20
  4. Step 4: Simplify right side
    631,638,083.40x = 211,032,401,104,286,976
  5. Step 5: Solve for x
    x = 211,032,401,104,286,976/631,638,083.40
  6. Step 6: Final answer
    x = 334,103,352.30

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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.