Home / 457,121,880.72-685,864,507.32-146,277,390.96

Finding the Fourth Proportional to 457,121,880.72, 685,864,507.32 and 146,277,390.96

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Solution

The fourth proportional to 457,121,880.72, 685,864,507.32 and 146,277,390.96 is: 219,474,225.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,121,880.72 : 685,864,507.32 = 146,277,390.96 : x
  2. Step 2: Convert to fraction form
    457,121,880.72/685,864,507.32 = 146,277,390.96/x
  3. Step 3: Cross multiply
    457,121,880.72x = 685,864,507.32 × 146,277,390.96
  4. Step 4: Simplify right side
    457,121,880.72x = 100,326,470,682,835,440
  5. Step 5: Solve for x
    x = 100,326,470,682,835,440/457,121,880.72
  6. Step 6: Final answer
    x = 219,474,225.40

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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.