Home / 353,955,575.39-488,460,781.62-205,365,172.10

Finding the Fourth Proportional to 353,955,575.39, 488,460,781.62 and 205,365,172.10

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Solution

The fourth proportional to 353,955,575.39, 488,460,781.62 and 205,365,172.10 is: 283,405,148.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,955,575.39 : 488,460,781.62 = 205,365,172.10 : x
  2. Step 2: Convert to fraction form
    353,955,575.39/488,460,781.62 = 205,365,172.10/x
  3. Step 3: Cross multiply
    353,955,575.39x = 488,460,781.62 × 205,365,172.10
  4. Step 4: Simplify right side
    353,955,575.39x = 100,312,832,479,049,520
  5. Step 5: Solve for x
    x = 100,312,832,479,049,520/353,955,575.39
  6. Step 6: Final answer
    x = 283,405,148.71

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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.