Home / 339,937,309.20-509,234,117.40-186,308,432.40

Finding the Fourth Proportional to 339,937,309.20, 509,234,117.40 and 186,308,432.40

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Solution

The fourth proportional to 339,937,309.20, 509,234,117.40 and 186,308,432.40 is: 279,094,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,937,309.20 : 509,234,117.40 = 186,308,432.40 : x
  2. Step 2: Convert to fraction form
    339,937,309.20/509,234,117.40 = 186,308,432.40/x
  3. Step 3: Cross multiply
    339,937,309.20x = 509,234,117.40 × 186,308,432.40
  4. Step 4: Simplify right side
    339,937,309.20x = 94,874,610,137,391,568
  5. Step 5: Solve for x
    x = 94,874,610,137,391,568/339,937,309.20
  6. Step 6: Final answer
    x = 279,094,431.74

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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.