Home / 20,449,670,382.99-30,677,572,665.76-7,182,590,270.49

Finding the Fourth Proportional to 20,449,670,382.99, 30,677,572,665.76 and 7,182,590,270.49

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Solution

The fourth proportional to 20,449,670,382.99, 30,677,572,665.76 and 7,182,590,270.49 is: 10,774,962,668.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,449,670,382.99 : 30,677,572,665.76 = 7,182,590,270.49 : x
  2. Step 2: Convert to fraction form
    20,449,670,382.99/30,677,572,665.76 = 7,182,590,270.49/x
  3. Step 3: Cross multiply
    20,449,670,382.99x = 30,677,572,665.76 × 7,182,590,270.49
  4. Step 4: Simplify right side
    20,449,670,382.99x = 220,344,434,951,366,475,776
  5. Step 5: Solve for x
    x = 220,344,434,951,366,475,776/20,449,670,382.99
  6. Step 6: Final answer
    x = 10,774,962,668.09

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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.