Home / 1,615,643,796.92-2,229,492,351.74-937,408,206.42

Finding the Fourth Proportional to 1,615,643,796.92, 2,229,492,351.74 and 937,408,206.42

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Solution

The fourth proportional to 1,615,643,796.92, 2,229,492,351.74 and 937,408,206.42 is: 1,293,567,573.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,643,796.92 : 2,229,492,351.74 = 937,408,206.42 : x
  2. Step 2: Convert to fraction form
    1,615,643,796.92/2,229,492,351.74 = 937,408,206.42/x
  3. Step 3: Cross multiply
    1,615,643,796.92x = 2,229,492,351.74 × 937,408,206.42
  4. Step 4: Simplify right side
    1,615,643,796.92x = 2,089,944,426,667,014,144
  5. Step 5: Solve for x
    x = 2,089,944,426,667,014,144/1,615,643,796.92
  6. Step 6: Final answer
    x = 1,293,567,573.90

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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.