Home / 20,248,889,429.70-27,943,457,693.85-12,110,692,700.43

Finding the Fourth Proportional to 20,248,889,429.70, 27,943,457,693.85 and 12,110,692,700.43

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Solution

The fourth proportional to 20,248,889,429.70, 27,943,457,693.85 and 12,110,692,700.43 is: 16,712,750,113.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,248,889,429.70 : 27,943,457,693.85 = 12,110,692,700.43 : x
  2. Step 2: Convert to fraction form
    20,248,889,429.70/27,943,457,693.85 = 12,110,692,700.43/x
  3. Step 3: Cross multiply
    20,248,889,429.70x = 27,943,457,693.85 × 12,110,692,700.43
  4. Step 4: Simplify right side
    20,248,889,429.70x = 338,414,629,117,683,695,616
  5. Step 5: Solve for x
    x = 338,414,629,117,683,695,616/20,248,889,429.70
  6. Step 6: Final answer
    x = 16,712,750,113.66

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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.