Home / 5,477,770,764.59-8,221,969,442.93-2,643,559,578.64

Finding the Fourth Proportional to 5,477,770,764.59, 8,221,969,442.93 and 2,643,559,578.64

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Solution

The fourth proportional to 5,477,770,764.59, 8,221,969,442.93 and 2,643,559,578.64 is: 3,967,903,552.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477,770,764.59 : 8,221,969,442.93 = 2,643,559,578.64 : x
  2. Step 2: Convert to fraction form
    5,477,770,764.59/8,221,969,442.93 = 2,643,559,578.64/x
  3. Step 3: Cross multiply
    5,477,770,764.59x = 8,221,969,442.93 × 2,643,559,578.64
  4. Step 4: Simplify right side
    5,477,770,764.59x = 21,735,266,076,142,985,216
  5. Step 5: Solve for x
    x = 21,735,266,076,142,985,216/5,477,770,764.59
  6. Step 6: Final answer
    x = 3,967,903,552.42

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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.