Home / 2,839,987,113.09-3,919,571,548.16-1,634,303,581.21

Finding the Fourth Proportional to 2,839,987,113.09, 3,919,571,548.16 and 1,634,303,581.21

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Solution

The fourth proportional to 2,839,987,113.09, 3,919,571,548.16 and 1,634,303,581.21 is: 2,255,562,987.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839,987,113.09 : 3,919,571,548.16 = 1,634,303,581.21 : x
  2. Step 2: Convert to fraction form
    2,839,987,113.09/3,919,571,548.16 = 1,634,303,581.21/x
  3. Step 3: Cross multiply
    2,839,987,113.09x = 3,919,571,548.16 × 1,634,303,581.21
  4. Step 4: Simplify right side
    2,839,987,113.09x = 6,405,769,817,966,711,808
  5. Step 5: Solve for x
    x = 6,405,769,817,966,711,808/2,839,987,113.09
  6. Step 6: Final answer
    x = 2,255,562,987.75

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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.