Home / 786,326,059.60-1,179,489,089.40-737,858,640.40

Finding the Fourth Proportional to 786,326,059.60, 1,179,489,089.40 and 737,858,640.40

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Solution

The fourth proportional to 786,326,059.60, 1,179,489,089.40 and 737,858,640.40 is: 1,106,787,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,326,059.60 : 1,179,489,089.40 = 737,858,640.40 : x
  2. Step 2: Convert to fraction form
    786,326,059.60/1,179,489,089.40 = 737,858,640.40/x
  3. Step 3: Cross multiply
    786,326,059.60x = 1,179,489,089.40 × 737,858,640.40
  4. Step 4: Simplify right side
    786,326,059.60x = 870,296,215,871,318,144
  5. Step 5: Solve for x
    x = 870,296,215,871,318,144/786,326,059.60
  6. Step 6: Final answer
    x = 1,106,787,960.60

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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.