Home / 18,942,336,005.80-28,413,504,008.70-18,039,374,444.20

Finding the Fourth Proportional to 18,942,336,005.80, 28,413,504,008.70 and 18,039,374,444.20

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Solution

The fourth proportional to 18,942,336,005.80, 28,413,504,008.70 and 18,039,374,444.20 is: 27,059,061,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942,336,005.80 : 28,413,504,008.70 = 18,039,374,444.20 : x
  2. Step 2: Convert to fraction form
    18,942,336,005.80/28,413,504,008.70 = 18,039,374,444.20/x
  3. Step 3: Cross multiply
    18,942,336,005.80x = 28,413,504,008.70 × 18,039,374,444.20
  4. Step 4: Simplify right side
    18,942,336,005.80x = 512,561,838,084,717,084,672
  5. Step 5: Solve for x
    x = 512,561,838,084,717,084,672/18,942,336,005.80
  6. Step 6: Final answer
    x = 27,059,061,666.30

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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.