Home / 814,911,319.55-1,222,366,979.33-814,911,319.55

Finding the Fourth Proportional to 814,911,319.55, 1,222,366,979.33 and 814,911,319.55

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Solution

The fourth proportional to 814,911,319.55, 1,222,366,979.33 and 814,911,319.55 is: 1,222,366,979.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,911,319.55 : 1,222,366,979.33 = 814,911,319.55 : x
  2. Step 2: Convert to fraction form
    814,911,319.55/1,222,366,979.33 = 814,911,319.55/x
  3. Step 3: Cross multiply
    814,911,319.55x = 1,222,366,979.33 × 814,911,319.55
  4. Step 4: Simplify right side
    814,911,319.55x = 996,120,688,100,157,696
  5. Step 5: Solve for x
    x = 996,120,688,100,157,696/814,911,319.55
  6. Step 6: Final answer
    x = 1,222,366,979.33

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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.