Home / 1,279,302,238.02-1,917,682,133.55-890,307,853.29

Finding the Fourth Proportional to 1,279,302,238.02, 1,917,682,133.55 and 890,307,853.29

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Solution

The fourth proportional to 1,279,302,238.02, 1,917,682,133.55 and 890,307,853.29 is: 1,334,577,094.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,302,238.02 : 1,917,682,133.55 = 890,307,853.29 : x
  2. Step 2: Convert to fraction form
    1,279,302,238.02/1,917,682,133.55 = 890,307,853.29/x
  3. Step 3: Cross multiply
    1,279,302,238.02x = 1,917,682,133.55 × 890,307,853.29
  4. Step 4: Simplify right side
    1,279,302,238.02x = 1,707,327,463,609,771,008
  5. Step 5: Solve for x
    x = 1,707,327,463,609,771,008/1,279,302,238.02
  6. Step 6: Final answer
    x = 1,334,577,094.34

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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.