Home / 21,605,328,902.40-32,387,586,019.20-12,768,953,107.20

Finding the Fourth Proportional to 21,605,328,902.40, 32,387,586,019.20 and 12,768,953,107.20

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Solution

The fourth proportional to 21,605,328,902.40, 32,387,586,019.20 and 12,768,953,107.20 is: 19,141,368,733.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,605,328,902.40 : 32,387,586,019.20 = 12,768,953,107.20 : x
  2. Step 2: Convert to fraction form
    21,605,328,902.40/32,387,586,019.20 = 12,768,953,107.20/x
  3. Step 3: Cross multiply
    21,605,328,902.40x = 32,387,586,019.20 × 12,768,953,107.20
  4. Step 4: Simplify right side
    21,605,328,902.40x = 413,555,567,134,571,167,744
  5. Step 5: Solve for x
    x = 413,555,567,134,571,167,744/21,605,328,902.40
  6. Step 6: Final answer
    x = 19,141,368,733.74

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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.