Home / 12,276,680,110.72-16,937,951,131.20-7,513,990,840.96

Finding the Fourth Proportional to 12,276,680,110.72, 16,937,951,131.20 and 7,513,990,840.96

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Solution

The fourth proportional to 12,276,680,110.72, 16,937,951,131.20 and 7,513,990,840.96 is: 10,366,940,289.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,276,680,110.72 : 16,937,951,131.20 = 7,513,990,840.96 : x
  2. Step 2: Convert to fraction form
    12,276,680,110.72/16,937,951,131.20 = 7,513,990,840.96/x
  3. Step 3: Cross multiply
    12,276,680,110.72x = 16,937,951,131.20 × 7,513,990,840.96
  4. Step 4: Simplify right side
    12,276,680,110.72x = 127,271,609,664,464,879,616
  5. Step 5: Solve for x
    x = 127,271,609,664,464,879,616/12,276,680,110.72
  6. Step 6: Final answer
    x = 10,366,940,289.77

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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.