Home / 793,720,700.78-1,095,395,921.94-476,192,896.34

Finding the Fourth Proportional to 793,720,700.78, 1,095,395,921.94 and 476,192,896.34

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Solution

The fourth proportional to 793,720,700.78, 1,095,395,921.94 and 476,192,896.34 is: 657,183,006.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,720,700.78 : 1,095,395,921.94 = 476,192,896.34 : x
  2. Step 2: Convert to fraction form
    793,720,700.78/1,095,395,921.94 = 476,192,896.34/x
  3. Step 3: Cross multiply
    793,720,700.78x = 1,095,395,921.94 × 476,192,896.34
  4. Step 4: Simplify right side
    793,720,700.78x = 521,619,756,702,156,160
  5. Step 5: Solve for x
    x = 521,619,756,702,156,160/793,720,700.78
  6. Step 6: Final answer
    x = 657,183,006.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.