Home / 414,529,497.40-621,794,246.10-127,277,836.60

Finding the Fourth Proportional to 414,529,497.40, 621,794,246.10 and 127,277,836.60

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Solution

The fourth proportional to 414,529,497.40, 621,794,246.10 and 127,277,836.60 is: 190,916,754.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,529,497.40 : 621,794,246.10 = 127,277,836.60 : x
  2. Step 2: Convert to fraction form
    414,529,497.40/621,794,246.10 = 127,277,836.60/x
  3. Step 3: Cross multiply
    414,529,497.40x = 621,794,246.10 × 127,277,836.60
  4. Step 4: Simplify right side
    414,529,497.40x = 79,140,626,453,935,984
  5. Step 5: Solve for x
    x = 79,140,626,453,935,984/414,529,497.40
  6. Step 6: Final answer
    x = 190,916,754.90

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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.