Home / 416,274,393,355.87-623,970,892,215.30-140,020,927,905.52

Finding the Fourth Proportional to 416,274,393,355.87, 623,970,892,215.30 and 140,020,927,905.52

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Solution

The fourth proportional to 416,274,393,355.87, 623,970,892,215.30 and 140,020,927,905.52 is: 209,883,155,698.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,274,393,355.87 : 623,970,892,215.30 = 140,020,927,905.52 : x
  2. Step 2: Convert to fraction form
    416,274,393,355.87/623,970,892,215.30 = 140,020,927,905.52/x
  3. Step 3: Cross multiply
    416,274,393,355.87x = 623,970,892,215.30 × 140,020,927,905.52
  4. Step 4: Simplify right side
    416,274,393,355.87x = 87,368,983,314,021,511,856,128
  5. Step 5: Solve for x
    x = 87,368,983,314,021,511,856,128/416,274,393,355.87
  6. Step 6: Final answer
    x = 209,883,155,698.53

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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.