Home / 1,139,714,218.42-1,709,135,538.72-621,867,872.86

Finding the Fourth Proportional to 1,139,714,218.42, 1,709,135,538.72 and 621,867,872.86

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Solution

The fourth proportional to 1,139,714,218.42, 1,709,135,538.72 and 621,867,872.86 is: 932,564,027.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,714,218.42 : 1,709,135,538.72 = 621,867,872.86 : x
  2. Step 2: Convert to fraction form
    1,139,714,218.42/1,709,135,538.72 = 621,867,872.86/x
  3. Step 3: Cross multiply
    1,139,714,218.42x = 1,709,135,538.72 × 621,867,872.86
  4. Step 4: Simplify right side
    1,139,714,218.42x = 1,062,856,481,893,236,608
  5. Step 5: Solve for x
    x = 1,062,856,481,893,236,608/1,139,714,218.42
  6. Step 6: Final answer
    x = 932,564,027.64

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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.