Home / 7,973,209,643.20-11,959,814,464.80-3,831,654,500.80

Finding the Fourth Proportional to 7,973,209,643.20, 11,959,814,464.80 and 3,831,654,500.80

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Solution

The fourth proportional to 7,973,209,643.20, 11,959,814,464.80 and 3,831,654,500.80 is: 5,747,481,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,973,209,643.20 : 11,959,814,464.80 = 3,831,654,500.80 : x
  2. Step 2: Convert to fraction form
    7,973,209,643.20/11,959,814,464.80 = 3,831,654,500.80/x
  3. Step 3: Cross multiply
    7,973,209,643.20x = 11,959,814,464.80 × 3,831,654,500.80
  4. Step 4: Simplify right side
    7,973,209,643.20x = 45,825,876,922,783,858,688
  5. Step 5: Solve for x
    x = 45,825,876,922,783,858,688/7,973,209,643.20
  6. Step 6: Final answer
    x = 5,747,481,751.20

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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.