Home / 464,007,995.78-640,343,170.08-252,327,206.77

Finding the Fourth Proportional to 464,007,995.78, 640,343,170.08 and 252,327,206.77

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Solution

The fourth proportional to 464,007,995.78, 640,343,170.08 and 252,327,206.77 is: 348,218,144.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,007,995.78 : 640,343,170.08 = 252,327,206.77 : x
  2. Step 2: Convert to fraction form
    464,007,995.78/640,343,170.08 = 252,327,206.77/x
  3. Step 3: Cross multiply
    464,007,995.78x = 640,343,170.08 × 252,327,206.77
  4. Step 4: Simplify right side
    464,007,995.78x = 161,576,003,478,932,608
  5. Step 5: Solve for x
    x = 161,576,003,478,932,608/464,007,995.78
  6. Step 6: Final answer
    x = 348,218,144.84

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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.