Home / 2,125,773,085.40-3,188,659,628.10-1,931,903,408.60

Finding the Fourth Proportional to 2,125,773,085.40, 3,188,659,628.10 and 1,931,903,408.60

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Solution

The fourth proportional to 2,125,773,085.40, 3,188,659,628.10 and 1,931,903,408.60 is: 2,897,855,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,773,085.40 : 3,188,659,628.10 = 1,931,903,408.60 : x
  2. Step 2: Convert to fraction form
    2,125,773,085.40/3,188,659,628.10 = 1,931,903,408.60/x
  3. Step 3: Cross multiply
    2,125,773,085.40x = 3,188,659,628.10 × 1,931,903,408.60
  4. Step 4: Simplify right side
    2,125,773,085.40x = 6,160,182,404,391,598,080
  5. Step 5: Solve for x
    x = 6,160,182,404,391,598,080/2,125,773,085.40
  6. Step 6: Final answer
    x = 2,897,855,112.90

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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.