Home / 489,384,028,047.96-734,189,604,321.42-153,990,236,450.16

Finding the Fourth Proportional to 489,384,028,047.96, 734,189,604,321.42 and 153,990,236,450.16

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Solution

The fourth proportional to 489,384,028,047.96, 734,189,604,321.42 and 153,990,236,450.16 is: 231,021,088,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,384,028,047.96 : 734,189,604,321.42 = 153,990,236,450.16 : x
  2. Step 2: Convert to fraction form
    489,384,028,047.96/734,189,604,321.42 = 153,990,236,450.16/x
  3. Step 3: Cross multiply
    489,384,028,047.96x = 734,189,604,321.42 × 153,990,236,450.16
  4. Step 4: Simplify right side
    489,384,028,047.96x = 113,058,030,768,704,882,475,008
  5. Step 5: Solve for x
    x = 113,058,030,768,704,882,475,008/489,384,028,047.96
  6. Step 6: Final answer
    x = 231,021,088,325.39

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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.