Home / 1,769,660,388.72-2,435,578,881.48-1,299,016,239.12

Finding the Fourth Proportional to 1,769,660,388.72, 2,435,578,881.48 and 1,299,016,239.12

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Solution

The fourth proportional to 1,769,660,388.72, 2,435,578,881.48 and 1,299,016,239.12 is: 1,787,832,591.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,660,388.72 : 2,435,578,881.48 = 1,299,016,239.12 : x
  2. Step 2: Convert to fraction form
    1,769,660,388.72/2,435,578,881.48 = 1,299,016,239.12/x
  3. Step 3: Cross multiply
    1,769,660,388.72x = 2,435,578,881.48 × 1,299,016,239.12
  4. Step 4: Simplify right side
    1,769,660,388.72x = 3,163,856,518,700,245,504
  5. Step 5: Solve for x
    x = 3,163,856,518,700,245,504/1,769,660,388.72
  6. Step 6: Final answer
    x = 1,787,832,591.42

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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.