Home / 1,291,747,516.20-1,936,298,576.70-635,689,506.60

Finding the Fourth Proportional to 1,291,747,516.20, 1,936,298,576.70 and 635,689,506.60

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Solution

The fourth proportional to 1,291,747,516.20, 1,936,298,576.70 and 635,689,506.60 is: 952,883,339.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,747,516.20 : 1,936,298,576.70 = 635,689,506.60 : x
  2. Step 2: Convert to fraction form
    1,291,747,516.20/1,936,298,576.70 = 635,689,506.60/x
  3. Step 3: Cross multiply
    1,291,747,516.20x = 1,936,298,576.70 × 635,689,506.60
  4. Step 4: Simplify right side
    1,291,747,516.20x = 1,230,884,686,852,705,280
  5. Step 5: Solve for x
    x = 1,230,884,686,852,705,280/1,291,747,516.20
  6. Step 6: Final answer
    x = 952,883,339.36

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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.