Home / 413,487,221.76-570,639,980.16-227,848,208.64

Finding the Fourth Proportional to 413,487,221.76, 570,639,980.16 and 227,848,208.64

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Solution

The fourth proportional to 413,487,221.76, 570,639,980.16 and 227,848,208.64 is: 314,445,744.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,487,221.76 : 570,639,980.16 = 227,848,208.64 : x
  2. Step 2: Convert to fraction form
    413,487,221.76/570,639,980.16 = 227,848,208.64/x
  3. Step 3: Cross multiply
    413,487,221.76x = 570,639,980.16 × 227,848,208.64
  4. Step 4: Simplify right side
    413,487,221.76x = 130,019,297,257,821,120
  5. Step 5: Solve for x
    x = 130,019,297,257,821,120/413,487,221.76
  6. Step 6: Final answer
    x = 314,445,744.43

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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.