Home / 851,576,749.47-1,277,356,608.54-269,311,094.19

Finding the Fourth Proportional to 851,576,749.47, 1,277,356,608.54 and 269,311,094.19

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Solution

The fourth proportional to 851,576,749.47, 1,277,356,608.54 and 269,311,094.19 is: 403,963,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,576,749.47 : 1,277,356,608.54 = 269,311,094.19 : x
  2. Step 2: Convert to fraction form
    851,576,749.47/1,277,356,608.54 = 269,311,094.19/x
  3. Step 3: Cross multiply
    851,576,749.47x = 1,277,356,608.54 × 269,311,094.19
  4. Step 4: Simplify right side
    851,576,749.47x = 344,006,305,916,734,912
  5. Step 5: Solve for x
    x = 344,006,305,916,734,912/851,576,749.47
  6. Step 6: Final answer
    x = 403,963,948.21

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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.