Home / 371,844,848.54-557,120,882.88-260,945,315.30

Finding the Fourth Proportional to 371,844,848.54, 557,120,882.88 and 260,945,315.30

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Solution

The fourth proportional to 371,844,848.54, 557,120,882.88 and 260,945,315.30 is: 390,964,363.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,844,848.54 : 557,120,882.88 = 260,945,315.30 : x
  2. Step 2: Convert to fraction form
    371,844,848.54/557,120,882.88 = 260,945,315.30/x
  3. Step 3: Cross multiply
    371,844,848.54x = 557,120,882.88 × 260,945,315.30
  4. Step 4: Simplify right side
    371,844,848.54x = 145,378,084,443,335,968
  5. Step 5: Solve for x
    x = 145,378,084,443,335,968/371,844,848.54
  6. Step 6: Final answer
    x = 390,964,363.27

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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.