Home / 809,208,772.38-1,116,708,092.33-437,930,803.76

Finding the Fourth Proportional to 809,208,772.38, 1,116,708,092.33 and 437,930,803.76

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Solution

The fourth proportional to 809,208,772.38, 1,116,708,092.33 and 437,930,803.76 is: 604,344,501.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,208,772.38 : 1,116,708,092.33 = 437,930,803.76 : x
  2. Step 2: Convert to fraction form
    809,208,772.38/1,116,708,092.33 = 437,930,803.76/x
  3. Step 3: Cross multiply
    809,208,772.38x = 1,116,708,092.33 × 437,930,803.76
  4. Step 4: Simplify right side
    809,208,772.38x = 489,040,872,431,600,000
  5. Step 5: Solve for x
    x = 489,040,872,431,600,000/809,208,772.38
  6. Step 6: Final answer
    x = 604,344,501.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.