Home / 931,215,539.03-1,396,828,352.32-276,172,240.70

Finding the Fourth Proportional to 931,215,539.03, 1,396,828,352.32 and 276,172,240.70

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Solution

The fourth proportional to 931,215,539.03, 1,396,828,352.32 and 276,172,240.70 is: 414,259,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,215,539.03 : 1,396,828,352.32 = 276,172,240.70 : x
  2. Step 2: Convert to fraction form
    931,215,539.03/1,396,828,352.32 = 276,172,240.70/x
  3. Step 3: Cross multiply
    931,215,539.03x = 1,396,828,352.32 × 276,172,240.70
  4. Step 4: Simplify right side
    931,215,539.03x = 385,765,215,936,305,088
  5. Step 5: Solve for x
    x = 385,765,215,936,305,088/931,215,539.03
  6. Step 6: Final answer
    x = 414,259,856.90

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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.