Home / 739,640,763.54-1,020,704,803.97-400,551,871.22

Finding the Fourth Proportional to 739,640,763.54, 1,020,704,803.97 and 400,551,871.22

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Solution

The fourth proportional to 739,640,763.54, 1,020,704,803.97 and 400,551,871.22 is: 552,761,880.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,640,763.54 : 1,020,704,803.97 = 400,551,871.22 : x
  2. Step 2: Convert to fraction form
    739,640,763.54/1,020,704,803.97 = 400,551,871.22/x
  3. Step 3: Cross multiply
    739,640,763.54x = 1,020,704,803.97 × 400,551,871.22
  4. Step 4: Simplify right side
    739,640,763.54x = 408,845,219,186,320,512
  5. Step 5: Solve for x
    x = 408,845,219,186,320,512/739,640,763.54
  6. Step 6: Final answer
    x = 552,761,880.28

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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.