Home / 5,477,770,768.81-8,221,969,449.26-2,643,559,582.87

Finding the Fourth Proportional to 5,477,770,768.81, 8,221,969,449.26 and 2,643,559,582.87

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Solution

The fourth proportional to 5,477,770,768.81, 8,221,969,449.26 and 2,643,559,582.87 is: 3,967,903,558.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477,770,768.81 : 8,221,969,449.26 = 2,643,559,582.87 : x
  2. Step 2: Convert to fraction form
    5,477,770,768.81/8,221,969,449.26 = 2,643,559,582.87/x
  3. Step 3: Cross multiply
    5,477,770,768.81x = 8,221,969,449.26 × 2,643,559,582.87
  4. Step 4: Simplify right side
    5,477,770,768.81x = 21,735,266,127,655,649,280
  5. Step 5: Solve for x
    x = 21,735,266,127,655,649,280/5,477,770,768.81
  6. Step 6: Final answer
    x = 3,967,903,558.76

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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.