Home / 20,248,889,421.70-27,943,457,682.81-12,110,692,692.43

Finding the Fourth Proportional to 20,248,889,421.70, 27,943,457,682.81 and 12,110,692,692.43

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Solution

The fourth proportional to 20,248,889,421.70, 27,943,457,682.81 and 12,110,692,692.43 is: 16,712,750,102.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,248,889,421.70 : 27,943,457,682.81 = 12,110,692,692.43 : x
  2. Step 2: Convert to fraction form
    20,248,889,421.70/27,943,457,682.81 = 12,110,692,692.43/x
  3. Step 3: Cross multiply
    20,248,889,421.70x = 27,943,457,682.81 × 12,110,692,692.43
  4. Step 4: Simplify right side
    20,248,889,421.70x = 338,414,628,760,434,049,024
  5. Step 5: Solve for x
    x = 338,414,628,760,434,049,024/20,248,889,421.70
  6. Step 6: Final answer
    x = 16,712,750,102.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.