Home / 6,943,215,153.79-9,582,431,779.24-3,892,215,477.65

Finding the Fourth Proportional to 6,943,215,153.79, 9,582,431,779.24 and 3,892,215,477.65

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Solution

The fourth proportional to 6,943,215,153.79, 9,582,431,779.24 and 3,892,215,477.65 is: 5,371,702,944.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943,215,153.79 : 9,582,431,779.24 = 3,892,215,477.65 : x
  2. Step 2: Convert to fraction form
    6,943,215,153.79/9,582,431,779.24 = 3,892,215,477.65/x
  3. Step 3: Cross multiply
    6,943,215,153.79x = 9,582,431,779.24 × 3,892,215,477.65
  4. Step 4: Simplify right side
    6,943,215,153.79x = 37,296,889,284,615,782,400
  5. Step 5: Solve for x
    x = 37,296,889,284,615,782,400/6,943,215,153.79
  6. Step 6: Final answer
    x = 5,371,702,944.31

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.