Home / 995,336,001.20-1,493,004,001.80-305,349,748.40

Finding the Fourth Proportional to 995,336,001.20, 1,493,004,001.80 and 305,349,748.40

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Solution

The fourth proportional to 995,336,001.20, 1,493,004,001.80 and 305,349,748.40 is: 458,024,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,336,001.20 : 1,493,004,001.80 = 305,349,748.40 : x
  2. Step 2: Convert to fraction form
    995,336,001.20/1,493,004,001.80 = 305,349,748.40/x
  3. Step 3: Cross multiply
    995,336,001.20x = 1,493,004,001.80 × 305,349,748.40
  4. Step 4: Simplify right side
    995,336,001.20x = 455,888,396,309,823,104
  5. Step 5: Solve for x
    x = 455,888,396,309,823,104/995,336,001.20
  6. Step 6: Final answer
    x = 458,024,622.60

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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.