Home / 339,937,123.20-509,233,838.40-186,308,246.40

Finding the Fourth Proportional to 339,937,123.20, 509,233,838.40 and 186,308,246.40

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Solution

The fourth proportional to 339,937,123.20, 509,233,838.40 and 186,308,246.40 is: 279,094,152.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,937,123.20 : 509,233,838.40 = 186,308,246.40 : x
  2. Step 2: Convert to fraction form
    339,937,123.20/509,233,838.40 = 186,308,246.40/x
  3. Step 3: Cross multiply
    339,937,123.20x = 509,233,838.40 × 186,308,246.40
  4. Step 4: Simplify right side
    339,937,123.20x = 94,874,463,439,844,976
  5. Step 5: Solve for x
    x = 94,874,463,439,844,976/339,937,123.20
  6. Step 6: Final answer
    x = 279,094,152.90

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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.