Home / 371,844,845.54-557,120,878.38-260,945,312.30

Finding the Fourth Proportional to 371,844,845.54, 557,120,878.38 and 260,945,312.30

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Solution

The fourth proportional to 371,844,845.54, 557,120,878.38 and 260,945,312.30 is: 390,964,358.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,844,845.54 : 557,120,878.38 = 260,945,312.30 : x
  2. Step 2: Convert to fraction form
    371,844,845.54/557,120,878.38 = 260,945,312.30/x
  3. Step 3: Cross multiply
    371,844,845.54x = 557,120,878.38 × 260,945,312.30
  4. Step 4: Simplify right side
    371,844,845.54x = 145,378,081,594,933,792
  5. Step 5: Solve for x
    x = 145,378,081,594,933,792/371,844,845.54
  6. Step 6: Final answer
    x = 390,964,358.77

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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.