Home / 763,655,138.33-1,145,013,914.27-296,771,419.85

Finding the Fourth Proportional to 763,655,138.33, 1,145,013,914.27 and 296,771,419.85

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Solution

The fourth proportional to 763,655,138.33, 1,145,013,914.27 and 296,771,419.85 is: 444,974,947.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,655,138.33 : 1,145,013,914.27 = 296,771,419.85 : x
  2. Step 2: Convert to fraction form
    763,655,138.33/1,145,013,914.27 = 296,771,419.85/x
  3. Step 3: Cross multiply
    763,655,138.33x = 1,145,013,914.27 × 296,771,419.85
  4. Step 4: Simplify right side
    763,655,138.33x = 339,807,405,085,914,112
  5. Step 5: Solve for x
    x = 339,807,405,085,914,112/763,655,138.33
  6. Step 6: Final answer
    x = 444,974,947.50

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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.