Home / 758,238,085.05-1,137,357,127.58-628,991,633.85

Finding the Fourth Proportional to 758,238,085.05, 1,137,357,127.58 and 628,991,633.85

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Solution

The fourth proportional to 758,238,085.05, 1,137,357,127.58 and 628,991,633.85 is: 943,487,450.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,238,085.05 : 1,137,357,127.58 = 628,991,633.85 : x
  2. Step 2: Convert to fraction form
    758,238,085.05/1,137,357,127.58 = 628,991,633.85/x
  3. Step 3: Cross multiply
    758,238,085.05x = 1,137,357,127.58 × 628,991,633.85
  4. Step 4: Simplify right side
    758,238,085.05x = 715,388,117,944,342,144
  5. Step 5: Solve for x
    x = 715,388,117,944,342,144/758,238,085.05
  6. Step 6: Final answer
    x = 943,487,450.78

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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.