Home / 1,692,753,272.90-2,335,719,233.35-978,355,351

Finding the Fourth Proportional to 1,692,753,272.90, 2,335,719,233.35 and 978,355,351

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Solution

The fourth proportional to 1,692,753,272.90, 2,335,719,233.35 and 978,355,351 is: 1,349,968,389.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,753,272.90 : 2,335,719,233.35 = 978,355,351 : x
  2. Step 2: Convert to fraction form
    1,692,753,272.90/2,335,719,233.35 = 978,355,351/x
  3. Step 3: Cross multiply
    1,692,753,272.90x = 2,335,719,233.35 × 978,355,351
  4. Step 4: Simplify right side
    1,692,753,272.90x = 2,285,163,410,381,590,016
  5. Step 5: Solve for x
    x = 2,285,163,410,381,590,016/1,692,753,272.90
  6. Step 6: Final answer
    x = 1,349,968,389.94

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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.