Home / 5,200,369,566.21-7,795,962,649.26-3,978,990,602.37

Finding the Fourth Proportional to 5,200,369,566.21, 7,795,962,649.26 and 3,978,990,602.37

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Solution

The fourth proportional to 5,200,369,566.21, 7,795,962,649.26 and 3,978,990,602.37 is: 5,964,972,627.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200,369,566.21 : 7,795,962,649.26 = 3,978,990,602.37 : x
  2. Step 2: Convert to fraction form
    5,200,369,566.21/7,795,962,649.26 = 3,978,990,602.37/x
  3. Step 3: Cross multiply
    5,200,369,566.21x = 7,795,962,649.26 × 3,978,990,602.37
  4. Step 4: Simplify right side
    5,200,369,566.21x = 31,020,062,117,833,068,544
  5. Step 5: Solve for x
    x = 31,020,062,117,833,068,544/5,200,369,566.21
  6. Step 6: Final answer
    x = 5,964,972,627.98

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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.