Home / 376,919,936,992.78-520,148,804,727.75-205,641,984,506.69

Finding the Fourth Proportional to 376,919,936,992.78, 520,148,804,727.75 and 205,641,984,506.69

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Solution

The fourth proportional to 376,919,936,992.78, 520,148,804,727.75 and 205,641,984,506.69 is: 283,785,552,168.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,919,936,992.78 : 520,148,804,727.75 = 205,641,984,506.69 : x
  2. Step 2: Convert to fraction form
    376,919,936,992.78/520,148,804,727.75 = 205,641,984,506.69/x
  3. Step 3: Cross multiply
    376,919,936,992.78x = 520,148,804,727.75 × 205,641,984,506.69
  4. Step 4: Simplify right side
    376,919,936,992.78x = 106,964,432,442,997,291,876,352
  5. Step 5: Solve for x
    x = 106,964,432,442,997,291,876,352/376,919,936,992.78
  6. Step 6: Final answer
    x = 283,785,552,168.99

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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.