Home / 654,740,855.24-903,407,500.42-376,228,570.37

Finding the Fourth Proportional to 654,740,855.24, 903,407,500.42 and 376,228,570.37

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Solution

The fourth proportional to 654,740,855.24, 903,407,500.42 and 376,228,570.37 is: 519,117,922.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,740,855.24 : 903,407,500.42 = 376,228,570.37 : x
  2. Step 2: Convert to fraction form
    654,740,855.24/903,407,500.42 = 376,228,570.37/x
  3. Step 3: Cross multiply
    654,740,855.24x = 903,407,500.42 × 376,228,570.37
  4. Step 4: Simplify right side
    654,740,855.24x = 339,887,712,339,094,208
  5. Step 5: Solve for x
    x = 339,887,712,339,094,208/654,740,855.24
  6. Step 6: Final answer
    x = 519,117,922.18

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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.