Home / 1,692,753,272.40-2,335,719,232.67-978,355,350.50

Finding the Fourth Proportional to 1,692,753,272.40, 2,335,719,232.67 and 978,355,350.50

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Solution

The fourth proportional to 1,692,753,272.40, 2,335,719,232.67 and 978,355,350.50 is: 1,349,968,389.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,753,272.40 : 2,335,719,232.67 = 978,355,350.50 : x
  2. Step 2: Convert to fraction form
    1,692,753,272.40/2,335,719,232.67 = 978,355,350.50/x
  3. Step 3: Cross multiply
    1,692,753,272.40x = 2,335,719,232.67 × 978,355,350.50
  4. Step 4: Simplify right side
    1,692,753,272.40x = 2,285,163,408,543,557,120
  5. Step 5: Solve for x
    x = 2,285,163,408,543,557,120/1,692,753,272.40
  6. Step 6: Final answer
    x = 1,349,968,389.26

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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.