Home / 1,788,158,107.22-2,682,032,841.99-478,162,316.16

Finding the Fourth Proportional to 1,788,158,107.22, 2,682,032,841.99 and 478,162,316.16

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Solution

The fourth proportional to 1,788,158,107.22, 2,682,032,841.99 and 478,162,316.16 is: 717,188,838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,158,107.22 : 2,682,032,841.99 = 478,162,316.16 : x
  2. Step 2: Convert to fraction form
    1,788,158,107.22/2,682,032,841.99 = 478,162,316.16/x
  3. Step 3: Cross multiply
    1,788,158,107.22x = 2,682,032,841.99 × 478,162,316.16
  4. Step 4: Simplify right side
    1,788,158,107.22x = 1,282,447,035,743,125,760
  5. Step 5: Solve for x
    x = 1,282,447,035,743,125,760/1,788,158,107.22
  6. Step 6: Final answer
    x = 717,188,838.37

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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.