Home / 968,914,728.12-1,453,301,790.36-378,593,969.10

Finding the Fourth Proportional to 968,914,728.12, 1,453,301,790.36 and 378,593,969.10

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Solution

The fourth proportional to 968,914,728.12, 1,453,301,790.36 and 378,593,969.10 is: 567,863,483.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,914,728.12 : 1,453,301,790.36 = 378,593,969.10 : x
  2. Step 2: Convert to fraction form
    968,914,728.12/1,453,301,790.36 = 378,593,969.10/x
  3. Step 3: Cross multiply
    968,914,728.12x = 1,453,301,790.36 × 378,593,969.10
  4. Step 4: Simplify right side
    968,914,728.12x = 550,211,293,112,528,512
  5. Step 5: Solve for x
    x = 550,211,293,112,528,512/968,914,728.12
  6. Step 6: Final answer
    x = 567,863,483.90

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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.