Home / 414,522,200.40-621,783,300.60-127,270,539.60

Finding the Fourth Proportional to 414,522,200.40, 621,783,300.60 and 127,270,539.60

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Solution

The fourth proportional to 414,522,200.40, 621,783,300.60 and 127,270,539.60 is: 190,905,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,522,200.40 : 621,783,300.60 = 127,270,539.60 : x
  2. Step 2: Convert to fraction form
    414,522,200.40/621,783,300.60 = 127,270,539.60/x
  3. Step 3: Cross multiply
    414,522,200.40x = 621,783,300.60 × 127,270,539.60
  4. Step 4: Simplify right side
    414,522,200.40x = 79,134,696,181,631,008
  5. Step 5: Solve for x
    x = 79,134,696,181,631,008/414,522,200.40
  6. Step 6: Final answer
    x = 190,905,809.40

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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.