Home / 414,072,153.60-621,108,230.40-122,984,203.20

Finding the Fourth Proportional to 414,072,153.60, 621,108,230.40 and 122,984,203.20

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Solution

The fourth proportional to 414,072,153.60, 621,108,230.40 and 122,984,203.20 is: 184,476,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,072,153.60 : 621,108,230.40 = 122,984,203.20 : x
  2. Step 2: Convert to fraction form
    414,072,153.60/621,108,230.40 = 122,984,203.20/x
  3. Step 3: Cross multiply
    414,072,153.60x = 621,108,230.40 × 122,984,203.20
  4. Step 4: Simplify right side
    414,072,153.60x = 76,386,500,816,706,016
  5. Step 5: Solve for x
    x = 76,386,500,816,706,016/414,072,153.60
  6. Step 6: Final answer
    x = 184,476,304.80

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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.