Home / 355,775,299.44-490,900,088.92-223,539,677.04

Finding the Fourth Proportional to 355,775,299.44, 490,900,088.92 and 223,539,677.04

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Solution

The fourth proportional to 355,775,299.44, 490,900,088.92 and 223,539,677.04 is: 308,440,882.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,775,299.44 : 490,900,088.92 = 223,539,677.04 : x
  2. Step 2: Convert to fraction form
    355,775,299.44/490,900,088.92 = 223,539,677.04/x
  3. Step 3: Cross multiply
    355,775,299.44x = 490,900,088.92 × 223,539,677.04
  4. Step 4: Simplify right side
    355,775,299.44x = 109,735,647,336,084,080
  5. Step 5: Solve for x
    x = 109,735,647,336,084,080/355,775,299.44
  6. Step 6: Final answer
    x = 308,440,882.51

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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.