Home / 450,666,128.88-675,919,285.80-204,965,213.04

Finding the Fourth Proportional to 450,666,128.88, 675,919,285.80 and 204,965,213.04

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Solution

The fourth proportional to 450,666,128.88, 675,919,285.80 and 204,965,213.04 is: 307,411,477.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,666,128.88 : 675,919,285.80 = 204,965,213.04 : x
  2. Step 2: Convert to fraction form
    450,666,128.88/675,919,285.80 = 204,965,213.04/x
  3. Step 3: Cross multiply
    450,666,128.88x = 675,919,285.80 × 204,965,213.04
  4. Step 4: Simplify right side
    450,666,128.88x = 138,539,940,411,841,632
  5. Step 5: Solve for x
    x = 138,539,940,411,841,632/450,666,128.88
  6. Step 6: Final answer
    x = 307,411,477.22

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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.