Home / 2,149,128,232.40-3,218,317,577.40-1,719,146,536.40

Finding the Fourth Proportional to 2,149,128,232.40, 3,218,317,577.40 and 1,719,146,536.40

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Solution

The fourth proportional to 2,149,128,232.40, 3,218,317,577.40 and 1,719,146,536.40 is: 2,574,420,377.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149,128,232.40 : 3,218,317,577.40 = 1,719,146,536.40 : x
  2. Step 2: Convert to fraction form
    2,149,128,232.40/3,218,317,577.40 = 1,719,146,536.40/x
  3. Step 3: Cross multiply
    2,149,128,232.40x = 3,218,317,577.40 × 1,719,146,536.40
  4. Step 4: Simplify right side
    2,149,128,232.40x = 5,532,759,516,222,449,664
  5. Step 5: Solve for x
    x = 5,532,759,516,222,449,664/2,149,128,232.40
  6. Step 6: Final answer
    x = 2,574,420,377.91

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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.