Home / 1,149,612,300.41-1,586,465,612.21-620,976,289.39

Finding the Fourth Proportional to 1,149,612,300.41, 1,586,465,612.21 and 620,976,289.39

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Solution

The fourth proportional to 1,149,612,300.41, 1,586,465,612.21 and 620,976,289.39 is: 856,947,623.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,612,300.41 : 1,586,465,612.21 = 620,976,289.39 : x
  2. Step 2: Convert to fraction form
    1,149,612,300.41/1,586,465,612.21 = 620,976,289.39/x
  3. Step 3: Cross multiply
    1,149,612,300.41x = 1,586,465,612.21 × 620,976,289.39
  4. Step 4: Simplify right side
    1,149,612,300.41x = 985,157,529,112,586,880
  5. Step 5: Solve for x
    x = 985,157,529,112,586,880/1,149,612,300.41
  6. Step 6: Final answer
    x = 856,947,623.79

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Double scale
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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.