Home / 1,422,219,011.44-2,129,078,136.26-860,280,241.84

Finding the Fourth Proportional to 1,422,219,011.44, 2,129,078,136.26 and 860,280,241.84

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Solution

The fourth proportional to 1,422,219,011.44, 2,129,078,136.26 and 860,280,241.84 is: 1,287,849,367.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,219,011.44 : 2,129,078,136.26 = 860,280,241.84 : x
  2. Step 2: Convert to fraction form
    1,422,219,011.44/2,129,078,136.26 = 860,280,241.84/x
  3. Step 3: Cross multiply
    1,422,219,011.44x = 2,129,078,136.26 × 860,280,241.84
  4. Step 4: Simplify right side
    1,422,219,011.44x = 1,831,603,853,958,009,344
  5. Step 5: Solve for x
    x = 1,831,603,853,958,009,344/1,422,219,011.44
  6. Step 6: Final answer
    x = 1,287,849,367.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.