Home / 860,150,414.36-1,290,221,939.18-238,363,870.28

Finding the Fourth Proportional to 860,150,414.36, 1,290,221,939.18 and 238,363,870.28

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Solution

The fourth proportional to 860,150,414.36, 1,290,221,939.18 and 238,363,870.28 is: 357,544,784.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,150,414.36 : 1,290,221,939.18 = 238,363,870.28 : x
  2. Step 2: Convert to fraction form
    860,150,414.36/1,290,221,939.18 = 238,363,870.28/x
  3. Step 3: Cross multiply
    860,150,414.36x = 1,290,221,939.18 × 238,363,870.28
  4. Step 4: Simplify right side
    860,150,414.36x = 307,542,294,943,111,616
  5. Step 5: Solve for x
    x = 307,542,294,943,111,616/860,150,414.36
  6. Step 6: Final answer
    x = 357,544,784.97

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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.