Home / 414,522,230.40-621,783,345.60-127,270,569.60

Finding the Fourth Proportional to 414,522,230.40, 621,783,345.60 and 127,270,569.60

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Solution

The fourth proportional to 414,522,230.40, 621,783,345.60 and 127,270,569.60 is: 190,905,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,522,230.40 : 621,783,345.60 = 127,270,569.60 : x
  2. Step 2: Convert to fraction form
    414,522,230.40/621,783,345.60 = 127,270,569.60/x
  3. Step 3: Cross multiply
    414,522,230.40x = 621,783,345.60 × 127,270,569.60
  4. Step 4: Simplify right side
    414,522,230.40x = 79,134,720,562,305,648
  5. Step 5: Solve for x
    x = 79,134,720,562,305,648/414,522,230.40
  6. Step 6: Final answer
    x = 190,905,854.40

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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.