Home / 669,080,975.73-923,277,613.90-386,841,524.87

Finding the Fourth Proportional to 669,080,975.73, 923,277,613.90 and 386,841,524.87

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Solution

The fourth proportional to 669,080,975.73, 923,277,613.90 and 386,841,524.87 is: 533,810,006.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,080,975.73 : 923,277,613.90 = 386,841,524.87 : x
  2. Step 2: Convert to fraction form
    669,080,975.73/923,277,613.90 = 386,841,524.87/x
  3. Step 3: Cross multiply
    669,080,975.73x = 923,277,613.90 × 386,841,524.87
  4. Step 4: Simplify right side
    669,080,975.73x = 357,162,120,032,860,544
  5. Step 5: Solve for x
    x = 357,162,120,032,860,544/669,080,975.73
  6. Step 6: Final answer
    x = 533,810,006.54

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1.5x scale

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.