Home / 351,968,601.64-485,495,735.32-208,813,012.96

Finding the Fourth Proportional to 351,968,601.64, 485,495,735.32 and 208,813,012.96

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Solution

The fourth proportional to 351,968,601.64, 485,495,735.32 and 208,813,012.96 is: 288,030,883.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,968,601.64 : 485,495,735.32 = 208,813,012.96 : x
  2. Step 2: Convert to fraction form
    351,968,601.64/485,495,735.32 = 208,813,012.96/x
  3. Step 3: Cross multiply
    351,968,601.64x = 485,495,735.32 × 208,813,012.96
  4. Step 4: Simplify right side
    351,968,601.64x = 101,377,827,271,399,888
  5. Step 5: Solve for x
    x = 101,377,827,271,399,888/351,968,601.64
  6. Step 6: Final answer
    x = 288,030,883.43

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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.