Home / 920,592,750-1,381,433,932.23-338,735,603.22

Finding the Fourth Proportional to 920,592,750, 1,381,433,932.23 and 338,735,603.22

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Solution

The fourth proportional to 920,592,750, 1,381,433,932.23 and 338,735,603.22 is: 508,303,868.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,592,750 : 1,381,433,932.23 = 338,735,603.22 : x
  2. Step 2: Convert to fraction form
    920,592,750/1,381,433,932.23 = 338,735,603.22/x
  3. Step 3: Cross multiply
    920,592,750x = 1,381,433,932.23 × 338,735,603.22
  4. Step 4: Simplify right side
    920,592,750x = 467,940,856,342,505,664
  5. Step 5: Solve for x
    x = 467,940,856,342,505,664/920,592,750
  6. Step 6: Final answer
    x = 508,303,868.72

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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.