Home / 5,380,483,678.40-8,076,772,135.20-4,159,066,923.20

Finding the Fourth Proportional to 5,380,483,678.40, 8,076,772,135.20 and 4,159,066,923.20

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Solution

The fourth proportional to 5,380,483,678.40, 8,076,772,135.20 and 4,159,066,923.20 is: 6,243,274,367.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380,483,678.40 : 8,076,772,135.20 = 4,159,066,923.20 : x
  2. Step 2: Convert to fraction form
    5,380,483,678.40/8,076,772,135.20 = 4,159,066,923.20/x
  3. Step 3: Cross multiply
    5,380,483,678.40x = 8,076,772,135.20 × 4,159,066,923.20
  4. Step 4: Simplify right side
    5,380,483,678.40x = 33,591,835,833,733,754,880
  5. Step 5: Solve for x
    x = 33,591,835,833,733,754,880/5,380,483,678.40
  6. Step 6: Final answer
    x = 6,243,274,367.43

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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.