Home / 491,042,176,632.25-677,630,992,081.53-274,271,534,650.55

Finding the Fourth Proportional to 491,042,176,632.25, 677,630,992,081.53 and 274,271,534,650.55

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Solution

The fourth proportional to 491,042,176,632.25, 677,630,992,081.53 and 274,271,534,650.55 is: 378,490,689,740.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,042,176,632.25 : 677,630,992,081.53 = 274,271,534,650.55 : x
  2. Step 2: Convert to fraction form
    491,042,176,632.25/677,630,992,081.53 = 274,271,534,650.55/x
  3. Step 3: Cross multiply
    491,042,176,632.25x = 677,630,992,081.53 × 274,271,534,650.55
  4. Step 4: Simplify right side
    491,042,176,632.25x = 185,854,892,124,975,916,908,544
  5. Step 5: Solve for x
    x = 185,854,892,124,975,916,908,544/491,042,176,632.25
  6. Step 6: Final answer
    x = 378,490,689,740.01

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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.