Home / 1,940,700,879.37-2,909,886,134.55-890,123,067.10

Finding the Fourth Proportional to 1,940,700,879.37, 2,909,886,134.55 and 890,123,067.10

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Solution

The fourth proportional to 1,940,700,879.37, 2,909,886,134.55 and 890,123,067.10 is: 1,334,650,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,700,879.37 : 2,909,886,134.55 = 890,123,067.10 : x
  2. Step 2: Convert to fraction form
    1,940,700,879.37/2,909,886,134.55 = 890,123,067.10/x
  3. Step 3: Cross multiply
    1,940,700,879.37x = 2,909,886,134.55 × 890,123,067.10
  4. Step 4: Simplify right side
    1,940,700,879.37x = 2,590,156,770,997,409,280
  5. Step 5: Solve for x
    x = 2,590,156,770,997,409,280/1,940,700,879.37
  6. Step 6: Final answer
    x = 1,334,650,176.40

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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.