Home / 995,331,323.30-1,390,238,989.90-995,331,323.30

Finding the Fourth Proportional to 995,331,323.30, 1,390,238,989.90 and 995,331,323.30

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Solution

The fourth proportional to 995,331,323.30, 1,390,238,989.90 and 995,331,323.30 is: 1,390,238,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,331,323.30 : 1,390,238,989.90 = 995,331,323.30 : x
  2. Step 2: Convert to fraction form
    995,331,323.30/1,390,238,989.90 = 995,331,323.30/x
  3. Step 3: Cross multiply
    995,331,323.30x = 1,390,238,989.90 × 995,331,323.30
  4. Step 4: Simplify right side
    995,331,323.30x = 1,383,748,413,520,422,400
  5. Step 5: Solve for x
    x = 1,383,748,413,520,422,400/995,331,323.30
  6. Step 6: Final answer
    x = 1,390,238,989.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.