Home / 414,353,810.56-571,808,314.56-228,714,861.28

Finding the Fourth Proportional to 414,353,810.56, 571,808,314.56 and 228,714,861.28

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Solution

The fourth proportional to 414,353,810.56, 571,808,314.56 and 228,714,861.28 is: 315,626,539.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,353,810.56 : 571,808,314.56 = 228,714,861.28 : x
  2. Step 2: Convert to fraction form
    414,353,810.56/571,808,314.56 = 228,714,861.28/x
  3. Step 3: Cross multiply
    414,353,810.56x = 571,808,314.56 × 228,714,861.28
  4. Step 4: Simplify right side
    414,353,810.56x = 130,781,059,343,340,992
  5. Step 5: Solve for x
    x = 130,781,059,343,340,992/414,353,810.56
  6. Step 6: Final answer
    x = 315,626,539.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.