Home / 989,368,736.39-1,484,104,181.99-252,445,089.59

Finding the Fourth Proportional to 989,368,736.39, 1,484,104,181.99 and 252,445,089.59

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Solution

The fourth proportional to 989,368,736.39, 1,484,104,181.99 and 252,445,089.59 is: 378,680,667.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,368,736.39 : 1,484,104,181.99 = 252,445,089.59 : x
  2. Step 2: Convert to fraction form
    989,368,736.39/1,484,104,181.99 = 252,445,089.59/x
  3. Step 3: Cross multiply
    989,368,736.39x = 1,484,104,181.99 × 252,445,089.59
  4. Step 4: Simplify right side
    989,368,736.39x = 374,654,813,183,359,232
  5. Step 5: Solve for x
    x = 374,654,813,183,359,232/989,368,736.39
  6. Step 6: Final answer
    x = 378,680,667.18

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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.