Home / 347,230,321.72-478,959,882.72-206,001,554.51

Finding the Fourth Proportional to 347,230,321.72, 478,959,882.72 and 206,001,554.51

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Solution

The fourth proportional to 347,230,321.72, 478,959,882.72 and 206,001,554.51 is: 284,152,835.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,230,321.72 : 478,959,882.72 = 206,001,554.51 : x
  2. Step 2: Convert to fraction form
    347,230,321.72/478,959,882.72 = 206,001,554.51/x
  3. Step 3: Cross multiply
    347,230,321.72x = 478,959,882.72 × 206,001,554.51
  4. Step 4: Simplify right side
    347,230,321.72x = 98,666,480,388,672,176
  5. Step 5: Solve for x
    x = 98,666,480,388,672,176/347,230,321.72
  6. Step 6: Final answer
    x = 284,152,835.22

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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.