Home / 2,149,128,278.40-3,218,317,646.40-1,719,146,582.40

Finding the Fourth Proportional to 2,149,128,278.40, 3,218,317,646.40 and 1,719,146,582.40

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Solution

The fourth proportional to 2,149,128,278.40, 3,218,317,646.40 and 1,719,146,582.40 is: 2,574,420,446.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149,128,278.40 : 3,218,317,646.40 = 1,719,146,582.40 : x
  2. Step 2: Convert to fraction form
    2,149,128,278.40/3,218,317,646.40 = 1,719,146,582.40/x
  3. Step 3: Cross multiply
    2,149,128,278.40x = 3,218,317,646.40 × 1,719,146,582.40
  4. Step 4: Simplify right side
    2,149,128,278.40x = 5,532,759,782,886,171,648
  5. Step 5: Solve for x
    x = 5,532,759,782,886,171,648/2,149,128,278.40
  6. Step 6: Final answer
    x = 2,574,420,446.88

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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.