Home / 13,286,351,657.04-19,929,546,666.51-5,425,763,971.80

Finding the Fourth Proportional to 13,286,351,657.04, 19,929,546,666.51 and 5,425,763,971.80

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Solution

The fourth proportional to 13,286,351,657.04, 19,929,546,666.51 and 5,425,763,971.80 is: 8,138,653,790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,351,657.04 : 19,929,546,666.51 = 5,425,763,971.80 : x
  2. Step 2: Convert to fraction form
    13,286,351,657.04/19,929,546,666.51 = 5,425,763,971.80/x
  3. Step 3: Cross multiply
    13,286,351,657.04x = 19,929,546,666.51 × 5,425,763,971.80
  4. Step 4: Simplify right side
    13,286,351,657.04x = 108,133,016,277,456,748,544
  5. Step 5: Solve for x
    x = 108,133,016,277,456,748,544/13,286,351,657.04
  6. Step 6: Final answer
    x = 8,138,653,790.65

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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.