Home / 18,796,655,072.57-28,206,579,744.28-8,710,487,996.61

Finding the Fourth Proportional to 18,796,655,072.57, 28,206,579,744.28 and 8,710,487,996.61

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Solution

The fourth proportional to 18,796,655,072.57, 28,206,579,744.28 and 8,710,487,996.61 is: 13,071,106,180.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,796,655,072.57 : 28,206,579,744.28 = 8,710,487,996.61 : x
  2. Step 2: Convert to fraction form
    18,796,655,072.57/28,206,579,744.28 = 8,710,487,996.61/x
  3. Step 3: Cross multiply
    18,796,655,072.57x = 28,206,579,744.28 × 8,710,487,996.61
  4. Step 4: Simplify right side
    18,796,655,072.57x = 245,693,074,288,069,115,904
  5. Step 5: Solve for x
    x = 245,693,074,288,069,115,904/18,796,655,072.57
  6. Step 6: Final answer
    x = 13,071,106,180.31

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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.