Home / 448,463,400.40-672,695,100.60-206,598,696.40

Finding the Fourth Proportional to 448,463,400.40, 672,695,100.60 and 206,598,696.40

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Solution

The fourth proportional to 448,463,400.40, 672,695,100.60 and 206,598,696.40 is: 309,898,044.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,463,400.40 : 672,695,100.60 = 206,598,696.40 : x
  2. Step 2: Convert to fraction form
    448,463,400.40/672,695,100.60 = 206,598,696.40/x
  3. Step 3: Cross multiply
    448,463,400.40x = 672,695,100.60 × 206,598,696.40
  4. Step 4: Simplify right side
    448,463,400.40x = 138,977,930,858,626,864
  5. Step 5: Solve for x
    x = 138,977,930,858,626,864/448,463,400.40
  6. Step 6: Final answer
    x = 309,898,044.60

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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.