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Finding the Fourth Proportional to 19,067,609,088,220, 28,601,413,632,330 and 19,067,609,088,220

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Solution

The fourth proportional to 19,067,609,088,220, 28,601,413,632,330 and 19,067,609,088,220 is: 28,601,413,632,330

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,067,609,088,220 : 28,601,413,632,330 = 19,067,609,088,220 : x
  2. Step 2: Convert to fraction form
    19,067,609,088,220/28,601,413,632,330 = 19,067,609,088,220/x
  3. Step 3: Cross multiply
    19,067,609,088,220x = 28,601,413,632,330 × 19,067,609,088,220
  4. Step 4: Simplify right side
    19,067,609,088,220x = 545,360,574,511,754,878,948,212,736
  5. Step 5: Solve for x
    x = 545,360,574,511,754,878,948,212,736/19,067,609,088,220
  6. Step 6: Final answer
    x = 28,601,413,632,330

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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.