Home / 931,360,495.68-1,397,040,744.87-378,533,402.24

Finding the Fourth Proportional to 931,360,495.68, 1,397,040,744.87 and 378,533,402.24

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Solution

The fourth proportional to 931,360,495.68, 1,397,040,744.87 and 378,533,402.24 is: 567,800,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,360,495.68 : 1,397,040,744.87 = 378,533,402.24 : x
  2. Step 2: Convert to fraction form
    931,360,495.68/1,397,040,744.87 = 378,533,402.24/x
  3. Step 3: Cross multiply
    931,360,495.68x = 1,397,040,744.87 × 378,533,402.24
  4. Step 4: Simplify right side
    931,360,495.68x = 528,826,586,216,559,680
  5. Step 5: Solve for x
    x = 528,826,586,216,559,680/931,360,495.68
  6. Step 6: Final answer
    x = 567,800,103.90

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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.