Home / 6,728,877,012.20-10,102,403,159.40-3,933,709,928.60

Finding the Fourth Proportional to 6,728,877,012.20, 10,102,403,159.40 and 3,933,709,928.60

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Solution

The fourth proportional to 6,728,877,012.20, 10,102,403,159.40 and 3,933,709,928.60 is: 5,905,877,539.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728,877,012.20 : 10,102,403,159.40 = 3,933,709,928.60 : x
  2. Step 2: Convert to fraction form
    6,728,877,012.20/10,102,403,159.40 = 3,933,709,928.60/x
  3. Step 3: Cross multiply
    6,728,877,012.20x = 10,102,403,159.40 × 3,933,709,928.60
  4. Step 4: Simplify right side
    6,728,877,012.20x = 39,739,923,610,851,786,752
  5. Step 5: Solve for x
    x = 39,739,923,610,851,786,752/6,728,877,012.20
  6. Step 6: Final answer
    x = 5,905,877,539.27

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1.5x scale

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.