Home / 739,735,777.78-1,109,464,942.52-371,171,770.45

Finding the Fourth Proportional to 739,735,777.78, 1,109,464,942.52 and 371,171,770.45

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Solution

The fourth proportional to 739,735,777.78, 1,109,464,942.52 and 371,171,770.45 is: 556,688,049.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,735,777.78 : 1,109,464,942.52 = 371,171,770.45 : x
  2. Step 2: Convert to fraction form
    739,735,777.78/1,109,464,942.52 = 371,171,770.45/x
  3. Step 3: Cross multiply
    739,735,777.78x = 1,109,464,942.52 × 371,171,770.45
  4. Step 4: Simplify right side
    739,735,777.78x = 411,802,066,965,510,144
  5. Step 5: Solve for x
    x = 411,802,066,965,510,144/739,735,777.78
  6. Step 6: Final answer
    x = 556,688,049.08

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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.