Home / 3,129,845,296.80-4,694,767,945.20-1,678,657,072.80

Finding the Fourth Proportional to 3,129,845,296.80, 4,694,767,945.20 and 1,678,657,072.80

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Solution

The fourth proportional to 3,129,845,296.80, 4,694,767,945.20 and 1,678,657,072.80 is: 2,517,985,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,845,296.80 : 4,694,767,945.20 = 1,678,657,072.80 : x
  2. Step 2: Convert to fraction form
    3,129,845,296.80/4,694,767,945.20 = 1,678,657,072.80/x
  3. Step 3: Cross multiply
    3,129,845,296.80x = 4,694,767,945.20 × 1,678,657,072.80
  4. Step 4: Simplify right side
    3,129,845,296.80x = 7,880,905,416,364,702,720
  5. Step 5: Solve for x
    x = 7,880,905,416,364,702,720/3,129,845,296.80
  6. Step 6: Final answer
    x = 2,517,985,609.20

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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.