Home / 331,284,245,009.86-496,885,238,557.96-89,280,287,642.85

Finding the Fourth Proportional to 331,284,245,009.86, 496,885,238,557.96 and 89,280,287,642.85

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Solution

The fourth proportional to 331,284,245,009.86, 496,885,238,557.96 and 89,280,287,642.85 is: 133,909,347,311.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,284,245,009.86 : 496,885,238,557.96 = 89,280,287,642.85 : x
  2. Step 2: Convert to fraction form
    331,284,245,009.86/496,885,238,557.96 = 89,280,287,642.85/x
  3. Step 3: Cross multiply
    331,284,245,009.86x = 496,885,238,557.96 × 89,280,287,642.85
  4. Step 4: Simplify right side
    331,284,245,009.86x = 44,362,057,023,940,817,059,840
  5. Step 5: Solve for x
    x = 44,362,057,023,940,817,059,840/331,284,245,009.86
  6. Step 6: Final answer
    x = 133,909,347,311.76

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1.5x scale

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.