Home / 648,940,555.80-895,536,755.19-351,590,188.32

Finding the Fourth Proportional to 648,940,555.80, 895,536,755.19 and 351,590,188.32

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Solution

The fourth proportional to 648,940,555.80, 895,536,755.19 and 351,590,188.32 is: 485,193,803.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,940,555.80 : 895,536,755.19 = 351,590,188.32 : x
  2. Step 2: Convert to fraction form
    648,940,555.80/895,536,755.19 = 351,590,188.32/x
  3. Step 3: Cross multiply
    648,940,555.80x = 895,536,755.19 × 351,590,188.32
  4. Step 4: Simplify right side
    648,940,555.80x = 314,861,936,404,733,824
  5. Step 5: Solve for x
    x = 314,861,936,404,733,824/648,940,555.80
  6. Step 6: Final answer
    x = 485,193,803.33

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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.