Home / 348,090,599.05-480,489,975.78-206,961,482.77

Finding the Fourth Proportional to 348,090,599.05, 480,489,975.78 and 206,961,482.77

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Solution

The fourth proportional to 348,090,599.05, 480,489,975.78 and 206,961,482.77 is: 285,681,136.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,090,599.05 : 480,489,975.78 = 206,961,482.77 : x
  2. Step 2: Convert to fraction form
    348,090,599.05/480,489,975.78 = 206,961,482.77/x
  3. Step 3: Cross multiply
    348,090,599.05x = 480,489,975.78 × 206,961,482.77
  4. Step 4: Simplify right side
    348,090,599.05x = 99,442,917,845,142,432
  5. Step 5: Solve for x
    x = 99,442,917,845,142,432/348,090,599.05
  6. Step 6: Final answer
    x = 285,681,136.23

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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.