Home / 1,267,731,618.70-1,901,597,428.05-347,606,481.10

Finding the Fourth Proportional to 1,267,731,618.70, 1,901,597,428.05 and 347,606,481.10

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Solution

The fourth proportional to 1,267,731,618.70, 1,901,597,428.05 and 347,606,481.10 is: 521,409,721.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,731,618.70 : 1,901,597,428.05 = 347,606,481.10 : x
  2. Step 2: Convert to fraction form
    1,267,731,618.70/1,901,597,428.05 = 347,606,481.10/x
  3. Step 3: Cross multiply
    1,267,731,618.70x = 1,901,597,428.05 × 347,606,481.10
  4. Step 4: Simplify right side
    1,267,731,618.70x = 661,007,590,433,270,912
  5. Step 5: Solve for x
    x = 661,007,590,433,270,912/1,267,731,618.70
  6. Step 6: Final answer
    x = 521,409,721.65

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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.