Home / 1,621,795,754.13-2,238,165,040.23-907,288,683.93

Finding the Fourth Proportional to 1,621,795,754.13, 2,238,165,040.23 and 907,288,683.93

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Solution

The fourth proportional to 1,621,795,754.13, 2,238,165,040.23 and 907,288,683.93 is: 1,252,106,998.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,795,754.13 : 2,238,165,040.23 = 907,288,683.93 : x
  2. Step 2: Convert to fraction form
    1,621,795,754.13/2,238,165,040.23 = 907,288,683.93/x
  3. Step 3: Cross multiply
    1,621,795,754.13x = 2,238,165,040.23 × 907,288,683.93
  4. Step 4: Simplify right side
    1,621,795,754.13x = 2,030,661,813,768,412,160
  5. Step 5: Solve for x
    x = 2,030,661,813,768,412,160/1,621,795,754.13
  6. Step 6: Final answer
    x = 1,252,106,998.43

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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.