Home / 1,692,753,271.90-2,335,719,231.98-978,355,350

Finding the Fourth Proportional to 1,692,753,271.90, 2,335,719,231.98 and 978,355,350

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Solution

The fourth proportional to 1,692,753,271.90, 2,335,719,231.98 and 978,355,350 is: 1,349,968,388.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,753,271.90 : 2,335,719,231.98 = 978,355,350 : x
  2. Step 2: Convert to fraction form
    1,692,753,271.90/2,335,719,231.98 = 978,355,350/x
  3. Step 3: Cross multiply
    1,692,753,271.90x = 2,335,719,231.98 × 978,355,350
  4. Step 4: Simplify right side
    1,692,753,271.90x = 2,285,163,406,700,632,320
  5. Step 5: Solve for x
    x = 2,285,163,406,700,632,320/1,692,753,271.90
  6. Step 6: Final answer
    x = 1,349,968,388.57

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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.