Home / 328,039,321.20-492,058,981.80-264,338,329.20

Finding the Fourth Proportional to 328,039,321.20, 492,058,981.80 and 264,338,329.20

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Solution

The fourth proportional to 328,039,321.20, 492,058,981.80 and 264,338,329.20 is: 396,507,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,039,321.20 : 492,058,981.80 = 264,338,329.20 : x
  2. Step 2: Convert to fraction form
    328,039,321.20/492,058,981.80 = 264,338,329.20/x
  3. Step 3: Cross multiply
    328,039,321.20x = 492,058,981.80 × 264,338,329.20
  4. Step 4: Simplify right side
    328,039,321.20x = 130,070,049,116,865,200
  5. Step 5: Solve for x
    x = 130,070,049,116,865,200/328,039,321.20
  6. Step 6: Final answer
    x = 396,507,493.80

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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.