Home / 386,984,211.76-534,393,110.10-245,901,930.40

Finding the Fourth Proportional to 386,984,211.76, 534,393,110.10 and 245,901,930.40

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Solution

The fourth proportional to 386,984,211.76, 534,393,110.10 and 245,901,930.40 is: 339,570,177.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,984,211.76 : 534,393,110.10 = 245,901,930.40 : x
  2. Step 2: Convert to fraction form
    386,984,211.76/534,393,110.10 = 245,901,930.40/x
  3. Step 3: Cross multiply
    386,984,211.76x = 534,393,110.10 × 245,901,930.40
  4. Step 4: Simplify right side
    386,984,211.76x = 131,408,297,366,049,744
  5. Step 5: Solve for x
    x = 131,408,297,366,049,744/386,984,211.76
  6. Step 6: Final answer
    x = 339,570,177.21

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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.