Home / 754,429,948.56-1,131,645,184.56-339,422,087.52

Finding the Fourth Proportional to 754,429,948.56, 1,131,645,184.56 and 339,422,087.52

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Solution

The fourth proportional to 754,429,948.56, 1,131,645,184.56 and 339,422,087.52 is: 509,133,249.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,429,948.56 : 1,131,645,184.56 = 339,422,087.52 : x
  2. Step 2: Convert to fraction form
    754,429,948.56/1,131,645,184.56 = 339,422,087.52/x
  3. Step 3: Cross multiply
    754,429,948.56x = 1,131,645,184.56 × 339,422,087.52
  4. Step 4: Simplify right side
    754,429,948.56x = 384,105,370,875,310,848
  5. Step 5: Solve for x
    x = 384,105,370,875,310,848/754,429,948.56
  6. Step 6: Final answer
    x = 509,133,249.03

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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.