Home / 2,129,445,610.40-3,188,793,644.40-1,398,476,727.20

Finding the Fourth Proportional to 2,129,445,610.40, 3,188,793,644.40 and 1,398,476,727.20

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Solution

The fourth proportional to 2,129,445,610.40, 3,188,793,644.40 and 1,398,476,727.20 is: 2,094,185,302.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,445,610.40 : 3,188,793,644.40 = 1,398,476,727.20 : x
  2. Step 2: Convert to fraction form
    2,129,445,610.40/3,188,793,644.40 = 1,398,476,727.20/x
  3. Step 3: Cross multiply
    2,129,445,610.40x = 3,188,793,644.40 × 1,398,476,727.20
  4. Step 4: Simplify right side
    2,129,445,610.40x = 4,459,453,699,536,672,768
  5. Step 5: Solve for x
    x = 4,459,453,699,536,672,768/2,129,445,610.40
  6. Step 6: Final answer
    x = 2,094,185,302.39

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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.