Home / 4,921,334,511.50-7,382,020,918.91-1,190,619,916.94

Finding the Fourth Proportional to 4,921,334,511.50, 7,382,020,918.91 and 1,190,619,916.94

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Solution

The fourth proportional to 4,921,334,511.50, 7,382,020,918.91 and 1,190,619,916.94 is: 1,785,934,508.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921,334,511.50 : 7,382,020,918.91 = 1,190,619,916.94 : x
  2. Step 2: Convert to fraction form
    4,921,334,511.50/7,382,020,918.91 = 1,190,619,916.94/x
  3. Step 3: Cross multiply
    4,921,334,511.50x = 7,382,020,918.91 × 1,190,619,916.94
  4. Step 4: Simplify right side
    4,921,334,511.50x = 8,789,181,133,321,966,592
  5. Step 5: Solve for x
    x = 8,789,181,133,321,966,592/4,921,334,511.50
  6. Step 6: Final answer
    x = 1,785,934,508.78

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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.