Home / 464,074,273.12-640,426,786.32-252,383,116.72

Finding the Fourth Proportional to 464,074,273.12, 640,426,786.32 and 252,383,116.72

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Solution

The fourth proportional to 464,074,273.12, 640,426,786.32 and 252,383,116.72 is: 348,291,033.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,074,273.12 : 640,426,786.32 = 252,383,116.72 : x
  2. Step 2: Convert to fraction form
    464,074,273.12/640,426,786.32 = 252,383,116.72/x
  3. Step 3: Cross multiply
    464,074,273.12x = 640,426,786.32 × 252,383,116.72
  4. Step 4: Simplify right side
    464,074,273.12x = 161,632,908,362,415,072
  5. Step 5: Solve for x
    x = 161,632,908,362,415,072/464,074,273.12
  6. Step 6: Final answer
    x = 348,291,033.84

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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.