Home / 1,213,652,116-1,674,844,361.04-656,735,168.80

Finding the Fourth Proportional to 1,213,652,116, 1,674,844,361.04 and 656,735,168.80

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Solution

The fourth proportional to 1,213,652,116, 1,674,844,361.04 and 656,735,168.80 is: 906,296,936.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,652,116 : 1,674,844,361.04 = 656,735,168.80 : x
  2. Step 2: Convert to fraction form
    1,213,652,116/1,674,844,361.04 = 656,735,168.80/x
  3. Step 3: Cross multiply
    1,213,652,116x = 1,674,844,361.04 × 656,735,168.80
  4. Step 4: Simplify right side
    1,213,652,116x = 1,099,929,194,161,332,480
  5. Step 5: Solve for x
    x = 1,099,929,194,161,332,480/1,213,652,116
  6. Step 6: Final answer
    x = 906,296,936.05

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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.