Home / 1,370,184,451.68-1,890,856,367.88-743,652,879.60

Finding the Fourth Proportional to 1,370,184,451.68, 1,890,856,367.88 and 743,652,879.60

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Solution

The fourth proportional to 1,370,184,451.68, 1,890,856,367.88 and 743,652,879.60 is: 1,026,241,964.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,184,451.68 : 1,890,856,367.88 = 743,652,879.60 : x
  2. Step 2: Convert to fraction form
    1,370,184,451.68/1,890,856,367.88 = 743,652,879.60/x
  3. Step 3: Cross multiply
    1,370,184,451.68x = 1,890,856,367.88 × 743,652,879.60
  4. Step 4: Simplify right side
    1,370,184,451.68x = 1,406,140,782,883,959,040
  5. Step 5: Solve for x
    x = 1,406,140,782,883,959,040/1,370,184,451.68
  6. Step 6: Final answer
    x = 1,026,241,964.11

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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.