Home / 525,578,546.33-788,421,792.77-198,329,467.85

Finding the Fourth Proportional to 525,578,546.33, 788,421,792.77 and 198,329,467.85

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Solution

The fourth proportional to 525,578,546.33, 788,421,792.77 and 198,329,467.85 is: 297,514,568.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,578,546.33 : 788,421,792.77 = 198,329,467.85 : x
  2. Step 2: Convert to fraction form
    525,578,546.33/788,421,792.77 = 198,329,467.85/x
  3. Step 3: Cross multiply
    525,578,546.33x = 788,421,792.77 × 198,329,467.85
  4. Step 4: Simplify right side
    525,578,546.33x = 156,367,274,596,483,328
  5. Step 5: Solve for x
    x = 156,367,274,596,483,328/525,578,546.33
  6. Step 6: Final answer
    x = 297,514,568.83

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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.