Home / 12,899,285,418.40-19,350,026,285.18-3,937,487,624.01

Finding the Fourth Proportional to 12,899,285,418.40, 19,350,026,285.18 and 3,937,487,624.01

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Solution

The fourth proportional to 12,899,285,418.40, 19,350,026,285.18 and 3,937,487,624.01 is: 5,906,566,646.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,899,285,418.40 : 19,350,026,285.18 = 3,937,487,624.01 : x
  2. Step 2: Convert to fraction form
    12,899,285,418.40/19,350,026,285.18 = 3,937,487,624.01/x
  3. Step 3: Cross multiply
    12,899,285,418.40x = 19,350,026,285.18 × 3,937,487,624.01
  4. Step 4: Simplify right side
    12,899,285,418.40x = 76,190,489,022,144,757,760
  5. Step 5: Solve for x
    x = 76,190,489,022,144,757,760/12,899,285,418.40
  6. Step 6: Final answer
    x = 5,906,566,646.98

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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.