Home / 282,404,688.36-389,606,403.78-163,305,273.48

Finding the Fourth Proportional to 282,404,688.36, 389,606,403.78 and 163,305,273.48

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Solution

The fourth proportional to 282,404,688.36, 389,606,403.78 and 163,305,273.48 is: 225,296,473.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,404,688.36 : 389,606,403.78 = 163,305,273.48 : x
  2. Step 2: Convert to fraction form
    282,404,688.36/389,606,403.78 = 163,305,273.48/x
  3. Step 3: Cross multiply
    282,404,688.36x = 389,606,403.78 × 163,305,273.48
  4. Step 4: Simplify right side
    282,404,688.36x = 63,624,780,318,852,200
  5. Step 5: Solve for x
    x = 63,624,780,318,852,200/282,404,688.36
  6. Step 6: Final answer
    x = 225,296,473.26

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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.