Home / 629,674,051.83-869,228,862.83-406,764,445.58

Finding the Fourth Proportional to 629,674,051.83, 869,228,862.83 and 406,764,445.58

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Solution

The fourth proportional to 629,674,051.83, 869,228,862.83 and 406,764,445.58 is: 561,514,954.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,674,051.83 : 869,228,862.83 = 406,764,445.58 : x
  2. Step 2: Convert to fraction form
    629,674,051.83/869,228,862.83 = 406,764,445.58/x
  3. Step 3: Cross multiply
    629,674,051.83x = 869,228,862.83 × 406,764,445.58
  4. Step 4: Simplify right side
    629,674,051.83x = 353,571,396,469,145,024
  5. Step 5: Solve for x
    x = 353,571,396,469,145,024/629,674,051.83
  6. Step 6: Final answer
    x = 561,514,954.36

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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.