Home / 7,245,530,141.40-10,862,555,649.30-3,973,979,345.40

Finding the Fourth Proportional to 7,245,530,141.40, 10,862,555,649.30 and 3,973,979,345.40

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Solution

The fourth proportional to 7,245,530,141.40, 10,862,555,649.30 and 3,973,979,345.40 is: 5,957,821,021.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245,530,141.40 : 10,862,555,649.30 = 3,973,979,345.40 : x
  2. Step 2: Convert to fraction form
    7,245,530,141.40/10,862,555,649.30 = 3,973,979,345.40/x
  3. Step 3: Cross multiply
    7,245,530,141.40x = 10,862,555,649.30 × 3,973,979,345.40
  4. Step 4: Simplify right side
    7,245,530,141.40x = 43,167,571,788,576,284,672
  5. Step 5: Solve for x
    x = 43,167,571,788,576,284,672/7,245,530,141.40
  6. Step 6: Final answer
    x = 5,957,821,021.53

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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.