Home / 657,430,072.97-985,912,502.54-190,994,456.34

Finding the Fourth Proportional to 657,430,072.97, 985,912,502.54 and 190,994,456.34

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Solution

The fourth proportional to 657,430,072.97, 985,912,502.54 and 190,994,456.34 is: 286,424,108.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,430,072.97 : 985,912,502.54 = 190,994,456.34 : x
  2. Step 2: Convert to fraction form
    657,430,072.97/985,912,502.54 = 190,994,456.34/x
  3. Step 3: Cross multiply
    657,430,072.97x = 985,912,502.54 × 190,994,456.34
  4. Step 4: Simplify right side
    657,430,072.97x = 188,303,822,420,481,184
  5. Step 5: Solve for x
    x = 188,303,822,420,481,184/657,430,072.97
  6. Step 6: Final answer
    x = 286,424,108.30

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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.