Home / 788,974,449.20-1,183,461,673.80-329,242,554.80

Finding the Fourth Proportional to 788,974,449.20, 1,183,461,673.80 and 329,242,554.80

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Solution

The fourth proportional to 788,974,449.20, 1,183,461,673.80 and 329,242,554.80 is: 493,863,832.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,974,449.20 : 1,183,461,673.80 = 329,242,554.80 : x
  2. Step 2: Convert to fraction form
    788,974,449.20/1,183,461,673.80 = 329,242,554.80/x
  3. Step 3: Cross multiply
    788,974,449.20x = 1,183,461,673.80 × 329,242,554.80
  4. Step 4: Simplify right side
    788,974,449.20x = 389,645,944,989,796,224
  5. Step 5: Solve for x
    x = 389,645,944,989,796,224/788,974,449.20
  6. Step 6: Final answer
    x = 493,863,832.20

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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.