Home / 464,074,272.12-640,426,784.94-252,383,115.72

Finding the Fourth Proportional to 464,074,272.12, 640,426,784.94 and 252,383,115.72

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Solution

The fourth proportional to 464,074,272.12, 640,426,784.94 and 252,383,115.72 is: 348,291,032.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,074,272.12 : 640,426,784.94 = 252,383,115.72 : x
  2. Step 2: Convert to fraction form
    464,074,272.12/640,426,784.94 = 252,383,115.72/x
  3. Step 3: Cross multiply
    464,074,272.12x = 640,426,784.94 × 252,383,115.72
  4. Step 4: Simplify right side
    464,074,272.12x = 161,632,907,373,699,584
  5. Step 5: Solve for x
    x = 161,632,907,373,699,584/464,074,272.12
  6. Step 6: Final answer
    x = 348,291,032.46

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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.