Home / 3,129,222,003.80-4,693,833,005.70-800,341,253.60

Finding the Fourth Proportional to 3,129,222,003.80, 4,693,833,005.70 and 800,341,253.60

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Solution

The fourth proportional to 3,129,222,003.80, 4,693,833,005.70 and 800,341,253.60 is: 1,200,511,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,222,003.80 : 4,693,833,005.70 = 800,341,253.60 : x
  2. Step 2: Convert to fraction form
    3,129,222,003.80/4,693,833,005.70 = 800,341,253.60/x
  3. Step 3: Cross multiply
    3,129,222,003.80x = 4,693,833,005.70 × 800,341,253.60
  4. Step 4: Simplify right side
    3,129,222,003.80x = 3,756,668,191,970,993,664
  5. Step 5: Solve for x
    x = 3,756,668,191,970,993,664/3,129,222,003.80
  6. Step 6: Final answer
    x = 1,200,511,880.40

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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.