Home / 3,116,723,146.79-4,301,082,091.36-1,687,796,719.28

Finding the Fourth Proportional to 3,116,723,146.79, 4,301,082,091.36 and 1,687,796,719.28

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Solution

The fourth proportional to 3,116,723,146.79, 4,301,082,091.36 and 1,687,796,719.28 is: 2,329,161,719.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,723,146.79 : 4,301,082,091.36 = 1,687,796,719.28 : x
  2. Step 2: Convert to fraction form
    3,116,723,146.79/4,301,082,091.36 = 1,687,796,719.28/x
  3. Step 3: Cross multiply
    3,116,723,146.79x = 4,301,082,091.36 × 1,687,796,719.28
  4. Step 4: Simplify right side
    3,116,723,146.79x = 7,259,352,243,162,269,696
  5. Step 5: Solve for x
    x = 7,259,352,243,162,269,696/3,116,723,146.79
  6. Step 6: Final answer
    x = 2,329,161,719.30

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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.