Home / 644,162,489.39-967,698,267.73-382,018,977.85

Finding the Fourth Proportional to 644,162,489.39, 967,698,267.73 and 382,018,977.85

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Solution

The fourth proportional to 644,162,489.39, 967,698,267.73 and 382,018,977.85 is: 573,891,074.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,162,489.39 : 967,698,267.73 = 382,018,977.85 : x
  2. Step 2: Convert to fraction form
    644,162,489.39/967,698,267.73 = 382,018,977.85/x
  3. Step 3: Cross multiply
    644,162,489.39x = 967,698,267.73 × 382,018,977.85
  4. Step 4: Simplify right side
    644,162,489.39x = 369,679,103,105,430,272
  5. Step 5: Solve for x
    x = 369,679,103,105,430,272/644,162,489.39
  6. Step 6: Final answer
    x = 573,891,074.37

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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.