Home / 457,001,270.25-685,500,410.93-165,868,005.21

Finding the Fourth Proportional to 457,001,270.25, 685,500,410.93 and 165,868,005.21

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Solution

The fourth proportional to 457,001,270.25, 685,500,410.93 and 165,868,005.21 is: 248,801,465.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,001,270.25 : 685,500,410.93 = 165,868,005.21 : x
  2. Step 2: Convert to fraction form
    457,001,270.25/685,500,410.93 = 165,868,005.21/x
  3. Step 3: Cross multiply
    457,001,270.25x = 685,500,410.93 × 165,868,005.21
  4. Step 4: Simplify right side
    457,001,270.25x = 113,702,585,730,765,040
  5. Step 5: Solve for x
    x = 113,702,585,730,765,040/457,001,270.25
  6. Step 6: Final answer
    x = 248,801,465.41

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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.