Home / 644,295,021.98-966,266,150.61-177,844,938.32

Finding the Fourth Proportional to 644,295,021.98, 966,266,150.61 and 177,844,938.32

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Solution

The fourth proportional to 644,295,021.98, 966,266,150.61 and 177,844,938.32 is: 266,718,720.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,295,021.98 : 966,266,150.61 = 177,844,938.32 : x
  2. Step 2: Convert to fraction form
    644,295,021.98/966,266,150.61 = 177,844,938.32/x
  3. Step 3: Cross multiply
    644,295,021.98x = 966,266,150.61 × 177,844,938.32
  4. Step 4: Simplify right side
    644,295,021.98x = 171,845,543,955,939,264
  5. Step 5: Solve for x
    x = 171,845,543,955,939,264/644,295,021.98
  6. Step 6: Final answer
    x = 266,718,720.61

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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.