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Finding the Fourth Proportional to 330,804,136.80, 496,206,205.20 and 325,702,303.20

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Solution

The fourth proportional to 330,804,136.80, 496,206,205.20 and 325,702,303.20 is: 488,553,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,804,136.80 : 496,206,205.20 = 325,702,303.20 : x
  2. Step 2: Convert to fraction form
    330,804,136.80/496,206,205.20 = 325,702,303.20/x
  3. Step 3: Cross multiply
    330,804,136.80x = 496,206,205.20 × 325,702,303.20
  4. Step 4: Simplify right side
    330,804,136.80x = 161,615,503,895,771,808
  5. Step 5: Solve for x
    x = 161,615,503,895,771,808/330,804,136.80
  6. Step 6: Final answer
    x = 488,553,454.80

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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.