Home / 931,041,676.21-1,394,982,132.22-561,800,799.67

Finding the Fourth Proportional to 931,041,676.21, 1,394,982,132.22 and 561,800,799.67

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Solution

The fourth proportional to 931,041,676.21, 1,394,982,132.22 and 561,800,799.67 is: 841,747,579.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,041,676.21 : 1,394,982,132.22 = 561,800,799.67 : x
  2. Step 2: Convert to fraction form
    931,041,676.21/1,394,982,132.22 = 561,800,799.67/x
  3. Step 3: Cross multiply
    931,041,676.21x = 1,394,982,132.22 × 561,800,799.67
  4. Step 4: Simplify right side
    931,041,676.21x = 783,702,077,406,557,568
  5. Step 5: Solve for x
    x = 783,702,077,406,557,568/931,041,676.21
  6. Step 6: Final answer
    x = 841,747,579.55

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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.