Home / 19,379,082,079.35-26,748,109,091.55-12,621,739,348.41

Finding the Fourth Proportional to 19,379,082,079.35, 26,748,109,091.55 and 12,621,739,348.41

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Solution

The fourth proportional to 19,379,082,079.35, 26,748,109,091.55 and 12,621,739,348.41 is: 17,421,241,090.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,379,082,079.35 : 26,748,109,091.55 = 12,621,739,348.41 : x
  2. Step 2: Convert to fraction form
    19,379,082,079.35/26,748,109,091.55 = 12,621,739,348.41/x
  3. Step 3: Cross multiply
    19,379,082,079.35x = 26,748,109,091.55 × 12,621,739,348.41
  4. Step 4: Simplify right side
    19,379,082,079.35x = 337,607,661,016,379,883,520
  5. Step 5: Solve for x
    x = 337,607,661,016,379,883,520/19,379,082,079.35
  6. Step 6: Final answer
    x = 17,421,241,090.47

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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.