Home / 1,246,284,953.12-1,719,766,096.80-689,229,342.56

Finding the Fourth Proportional to 1,246,284,953.12, 1,719,766,096.80 and 689,229,342.56

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Solution

The fourth proportional to 1,246,284,953.12, 1,719,766,096.80 and 689,229,342.56 is: 951,077,242.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,284,953.12 : 1,719,766,096.80 = 689,229,342.56 : x
  2. Step 2: Convert to fraction form
    1,246,284,953.12/1,719,766,096.80 = 689,229,342.56/x
  3. Step 3: Cross multiply
    1,246,284,953.12x = 1,719,766,096.80 × 689,229,342.56
  4. Step 4: Simplify right side
    1,246,284,953.12x = 1,185,313,256,254,441,216
  5. Step 5: Solve for x
    x = 1,185,313,256,254,441,216/1,246,284,953.12
  6. Step 6: Final answer
    x = 951,077,242.24

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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.