Home / 825,652,236.90-1,139,400,274.73-454,374,268.28

Finding the Fourth Proportional to 825,652,236.90, 1,139,400,274.73 and 454,374,268.28

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Solution

The fourth proportional to 825,652,236.90, 1,139,400,274.73 and 454,374,268.28 is: 627,036,593.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,652,236.90 : 1,139,400,274.73 = 454,374,268.28 : x
  2. Step 2: Convert to fraction form
    825,652,236.90/1,139,400,274.73 = 454,374,268.28/x
  3. Step 3: Cross multiply
    825,652,236.90x = 1,139,400,274.73 × 454,374,268.28
  4. Step 4: Simplify right side
    825,652,236.90x = 517,714,166,108,474,688
  5. Step 5: Solve for x
    x = 517,714,166,108,474,688/825,652,236.90
  6. Step 6: Final answer
    x = 627,036,593.58

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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.