Home / 315,462,248.22-472,770,391.20-245,516,931.69

Finding the Fourth Proportional to 315,462,248.22, 472,770,391.20 and 245,516,931.69

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Solution

The fourth proportional to 315,462,248.22, 472,770,391.20 and 245,516,931.69 is: 367,946,201.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,462,248.22 : 472,770,391.20 = 245,516,931.69 : x
  2. Step 2: Convert to fraction form
    315,462,248.22/472,770,391.20 = 245,516,931.69/x
  3. Step 3: Cross multiply
    315,462,248.22x = 472,770,391.20 × 245,516,931.69
  4. Step 4: Simplify right side
    315,462,248.22x = 116,073,135,841,304,976
  5. Step 5: Solve for x
    x = 116,073,135,841,304,976/315,462,248.22
  6. Step 6: Final answer
    x = 367,946,201.16

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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.