Home / 860,150,433.64-1,290,221,968.02-238,363,889.56

Finding the Fourth Proportional to 860,150,433.64, 1,290,221,968.02 and 238,363,889.56

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Solution

The fourth proportional to 860,150,433.64, 1,290,221,968.02 and 238,363,889.56 is: 357,544,813.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,150,433.64 : 1,290,221,968.02 = 238,363,889.56 : x
  2. Step 2: Convert to fraction form
    860,150,433.64/1,290,221,968.02 = 238,363,889.56/x
  3. Step 3: Cross multiply
    860,150,433.64x = 1,290,221,968.02 × 238,363,889.56
  4. Step 4: Simplify right side
    860,150,433.64x = 307,542,326,693,005,120
  5. Step 5: Solve for x
    x = 307,542,326,693,005,120/860,150,433.64
  6. Step 6: Final answer
    x = 357,544,813.87

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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.