Home / 666,630,926.64-995,891,846.76-431,546,504.16

Finding the Fourth Proportional to 666,630,926.64, 995,891,846.76 and 431,546,504.16

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Solution

The fourth proportional to 666,630,926.64, 995,891,846.76 and 431,546,504.16 is: 644,695,029.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,630,926.64 : 995,891,846.76 = 431,546,504.16 : x
  2. Step 2: Convert to fraction form
    666,630,926.64/995,891,846.76 = 431,546,504.16/x
  3. Step 3: Cross multiply
    666,630,926.64x = 995,891,846.76 × 431,546,504.16
  4. Step 4: Simplify right side
    666,630,926.64x = 429,773,644,990,724,416
  5. Step 5: Solve for x
    x = 429,773,644,990,724,416/666,630,926.64
  6. Step 6: Final answer
    x = 644,695,029.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.