Home / 355,775,298.44-490,900,087.54-223,539,676.04

Finding the Fourth Proportional to 355,775,298.44, 490,900,087.54 and 223,539,676.04

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Solution

The fourth proportional to 355,775,298.44, 490,900,087.54 and 223,539,676.04 is: 308,440,881.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,775,298.44 : 490,900,087.54 = 223,539,676.04 : x
  2. Step 2: Convert to fraction form
    355,775,298.44/490,900,087.54 = 223,539,676.04/x
  3. Step 3: Cross multiply
    355,775,298.44x = 490,900,087.54 × 223,539,676.04
  4. Step 4: Simplify right side
    355,775,298.44x = 109,735,646,536,699,248
  5. Step 5: Solve for x
    x = 109,735,646,536,699,248/355,775,298.44
  6. Step 6: Final answer
    x = 308,440,881.13

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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.