Home / 1,176,621,807.20-1,761,747,661.20-921,817,839.20

Finding the Fourth Proportional to 1,176,621,807.20, 1,761,747,661.20 and 921,817,839.20

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Solution

The fourth proportional to 1,176,621,807.20, 1,761,747,661.20 and 921,817,839.20 is: 1,380,231,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,621,807.20 : 1,761,747,661.20 = 921,817,839.20 : x
  2. Step 2: Convert to fraction form
    1,176,621,807.20/1,761,747,661.20 = 921,817,839.20/x
  3. Step 3: Cross multiply
    1,176,621,807.20x = 1,761,747,661.20 × 921,817,839.20
  4. Step 4: Simplify right side
    1,176,621,807.20x = 1,624,010,422,263,037,696
  5. Step 5: Solve for x
    x = 1,624,010,422,263,037,696/1,176,621,807.20
  6. Step 6: Final answer
    x = 1,380,231,449.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.