Home / 1,964,918,313.96-2,710,608,369.52-1,171,405,157.64

Finding the Fourth Proportional to 1,964,918,313.96, 2,710,608,369.52 and 1,171,405,157.64

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Solution

The fourth proportional to 1,964,918,313.96, 2,710,608,369.52 and 1,171,405,157.64 is: 1,615,955,534.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,918,313.96 : 2,710,608,369.52 = 1,171,405,157.64 : x
  2. Step 2: Convert to fraction form
    1,964,918,313.96/2,710,608,369.52 = 1,171,405,157.64/x
  3. Step 3: Cross multiply
    1,964,918,313.96x = 2,710,608,369.52 × 1,171,405,157.64
  4. Step 4: Simplify right side
    1,964,918,313.96x = 3,175,220,624,397,879,296
  5. Step 5: Solve for x
    x = 3,175,220,624,397,879,296/1,964,918,313.96
  6. Step 6: Final answer
    x = 1,615,955,534.56

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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.