Home / 521,315,020,083.45-781,550,544,339.23-162,982,545,672.27

Finding the Fourth Proportional to 521,315,020,083.45, 781,550,544,339.23 and 162,982,545,672.27

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Solution

The fourth proportional to 521,315,020,083.45, 781,550,544,339.23 and 162,982,545,672.27 is: 244,341,889,991.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,315,020,083.45 : 781,550,544,339.23 = 162,982,545,672.27 : x
  2. Step 2: Convert to fraction form
    521,315,020,083.45/781,550,544,339.23 = 162,982,545,672.27/x
  3. Step 3: Cross multiply
    521,315,020,083.45x = 781,550,544,339.23 × 162,982,545,672.27
  4. Step 4: Simplify right side
    521,315,020,083.45x = 127,379,097,287,956,021,379,072
  5. Step 5: Solve for x
    x = 127,379,097,287,956,021,379,072/521,315,020,083.45
  6. Step 6: Final answer
    x = 244,341,889,991.13

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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.