Home / 1,313,576,345.07-1,812,734,185.06-741,479,816.96

Finding the Fourth Proportional to 1,313,576,345.07, 1,812,734,185.06 and 741,479,816.96

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Solution

The fourth proportional to 1,313,576,345.07, 1,812,734,185.06 and 741,479,816.96 is: 1,023,241,486.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,576,345.07 : 1,812,734,185.06 = 741,479,816.96 : x
  2. Step 2: Convert to fraction form
    1,313,576,345.07/1,812,734,185.06 = 741,479,816.96/x
  3. Step 3: Cross multiply
    1,313,576,345.07x = 1,812,734,185.06 × 741,479,816.96
  4. Step 4: Simplify right side
    1,313,576,345.07x = 1,344,105,811,734,047,488
  5. Step 5: Solve for x
    x = 1,344,105,811,734,047,488/1,313,576,345.07
  6. Step 6: Final answer
    x = 1,023,241,486.33

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Double scale
Find fourth proportional to 1,313,576,346.07, 1,812,734,186.44 and 741,479,817.96
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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.