Home / 807,949,883.52-1,211,960,828.16-247,670,421.12

Finding the Fourth Proportional to 807,949,883.52, 1,211,960,828.16 and 247,670,421.12

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Solution

The fourth proportional to 807,949,883.52, 1,211,960,828.16 and 247,670,421.12 is: 371,516,668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,949,883.52 : 1,211,960,828.16 = 247,670,421.12 : x
  2. Step 2: Convert to fraction form
    807,949,883.52/1,211,960,828.16 = 247,670,421.12/x
  3. Step 3: Cross multiply
    807,949,883.52x = 1,211,960,828.16 × 247,670,421.12
  4. Step 4: Simplify right side
    807,949,883.52x = 300,166,848,691,331,200
  5. Step 5: Solve for x
    x = 300,166,848,691,331,200/807,949,883.52
  6. Step 6: Final answer
    x = 371,516,668.07

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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.