Home / 1,508,340,674.88-2,261,043,666-721,189,773.72

Finding the Fourth Proportional to 1,508,340,674.88, 2,261,043,666 and 721,189,773.72

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Solution

The fourth proportional to 1,508,340,674.88, 2,261,043,666 and 721,189,773.72 is: 1,081,083,071.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,340,674.88 : 2,261,043,666 = 721,189,773.72 : x
  2. Step 2: Convert to fraction form
    1,508,340,674.88/2,261,043,666 = 721,189,773.72/x
  3. Step 3: Cross multiply
    1,508,340,674.88x = 2,261,043,666 × 721,189,773.72
  4. Step 4: Simplify right side
    1,508,340,674.88x = 1,630,641,569,853,579,264
  5. Step 5: Solve for x
    x = 1,630,641,569,853,579,264/1,508,340,674.88
  6. Step 6: Final answer
    x = 1,081,083,071.62

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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.