Home / 414,902,134.40-622,353,201.60-391,093,577.60

Finding the Fourth Proportional to 414,902,134.40, 622,353,201.60 and 391,093,577.60

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Solution

The fourth proportional to 414,902,134.40, 622,353,201.60 and 391,093,577.60 is: 586,640,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,902,134.40 : 622,353,201.60 = 391,093,577.60 : x
  2. Step 2: Convert to fraction form
    414,902,134.40/622,353,201.60 = 391,093,577.60/x
  3. Step 3: Cross multiply
    414,902,134.40x = 622,353,201.60 × 391,093,577.60
  4. Step 4: Simplify right side
    414,902,134.40x = 243,398,340,144,558,080
  5. Step 5: Solve for x
    x = 243,398,340,144,558,080/414,902,134.40
  6. Step 6: Final answer
    x = 586,640,366.40

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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.