Home / 361,032,512.76-540,342,091.26-205,544,579.40

Finding the Fourth Proportional to 361,032,512.76, 540,342,091.26 and 205,544,579.40

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Solution

The fourth proportional to 361,032,512.76, 540,342,091.26 and 205,544,579.40 is: 307,629,878.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,032,512.76 : 540,342,091.26 = 205,544,579.40 : x
  2. Step 2: Convert to fraction form
    361,032,512.76/540,342,091.26 = 205,544,579.40/x
  3. Step 3: Cross multiply
    361,032,512.76x = 540,342,091.26 × 205,544,579.40
  4. Step 4: Simplify right side
    361,032,512.76x = 111,064,387,880,153,120
  5. Step 5: Solve for x
    x = 111,064,387,880,153,120/361,032,512.76
  6. Step 6: Final answer
    x = 307,629,878.07

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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.