Home / 1,664,423,980.40-2,296,942,207.80-949,945,203.20

Finding the Fourth Proportional to 1,664,423,980.40, 2,296,942,207.80 and 949,945,203.20

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Solution

The fourth proportional to 1,664,423,980.40, 2,296,942,207.80 and 949,945,203.20 is: 1,310,945,563.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,423,980.40 : 2,296,942,207.80 = 949,945,203.20 : x
  2. Step 2: Convert to fraction form
    1,664,423,980.40/2,296,942,207.80 = 949,945,203.20/x
  3. Step 3: Cross multiply
    1,664,423,980.40x = 2,296,942,207.80 × 949,945,203.20
  4. Step 4: Simplify right side
    1,664,423,980.40x = 2,181,969,232,327,227,904
  5. Step 5: Solve for x
    x = 2,181,969,232,327,227,904/1,664,423,980.40
  6. Step 6: Final answer
    x = 1,310,945,563.16

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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.