Home / 906,739,861.35-1,360,207,000.53-251,693,656.38

Finding the Fourth Proportional to 906,739,861.35, 1,360,207,000.53 and 251,693,656.38

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Solution

The fourth proportional to 906,739,861.35, 1,360,207,000.53 and 251,693,656.38 is: 377,567,467.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,739,861.35 : 1,360,207,000.53 = 251,693,656.38 : x
  2. Step 2: Convert to fraction form
    906,739,861.35/1,360,207,000.53 = 251,693,656.38/x
  3. Step 3: Cross multiply
    906,739,861.35x = 1,360,207,000.53 × 251,693,656.38
  4. Step 4: Simplify right side
    906,739,861.35x = 342,355,473,397,068,288
  5. Step 5: Solve for x
    x = 342,355,473,397,068,288/906,739,861.35
  6. Step 6: Final answer
    x = 377,567,467.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.