Home / 1,254,979,947.64-1,882,699,761.30-517,647,628.24

Finding the Fourth Proportional to 1,254,979,947.64, 1,882,699,761.30 and 517,647,628.24

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Solution

The fourth proportional to 1,254,979,947.64, 1,882,699,761.30 and 517,647,628.24 is: 776,566,245.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,979,947.64 : 1,882,699,761.30 = 517,647,628.24 : x
  2. Step 2: Convert to fraction form
    1,254,979,947.64/1,882,699,761.30 = 517,647,628.24/x
  3. Step 3: Cross multiply
    1,254,979,947.64x = 1,882,699,761.30 × 517,647,628.24
  4. Step 4: Simplify right side
    1,254,979,947.64x = 974,575,066,124,959,104
  5. Step 5: Solve for x
    x = 974,575,066,124,959,104/1,254,979,947.64
  6. Step 6: Final answer
    x = 776,566,245.51

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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.