Home / 247,078,299,641.65-370,760,435,241.27-103,644,481,901.68

Finding the Fourth Proportional to 247,078,299,641.65, 370,760,435,241.27 and 103,644,481,901.68

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Solution

The fourth proportional to 247,078,299,641.65, 370,760,435,241.27 and 103,644,481,901.68 is: 155,526,702,571.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,078,299,641.65 : 370,760,435,241.27 = 103,644,481,901.68 : x
  2. Step 2: Convert to fraction form
    247,078,299,641.65/370,760,435,241.27 = 103,644,481,901.68/x
  3. Step 3: Cross multiply
    247,078,299,641.65x = 370,760,435,241.27 × 103,644,481,901.68
  4. Step 4: Simplify right side
    247,078,299,641.65x = 38,427,273,220,222,808,489,984
  5. Step 5: Solve for x
    x = 38,427,273,220,222,808,489,984/247,078,299,641.65
  6. Step 6: Final answer
    x = 155,526,702,571.44

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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.