Home / 1,416,434,897.49-1,954,591,678.46-781,362,734.82

Finding the Fourth Proportional to 1,416,434,897.49, 1,954,591,678.46 and 781,362,734.82

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Solution

The fourth proportional to 1,416,434,897.49, 1,954,591,678.46 and 781,362,734.82 is: 1,078,231,764.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,434,897.49 : 1,954,591,678.46 = 781,362,734.82 : x
  2. Step 2: Convert to fraction form
    1,416,434,897.49/1,954,591,678.46 = 781,362,734.82/x
  3. Step 3: Cross multiply
    1,416,434,897.49x = 1,954,591,678.46 × 781,362,734.82
  4. Step 4: Simplify right side
    1,416,434,897.49x = 1,527,245,099,334,012,928
  5. Step 5: Solve for x
    x = 1,527,245,099,334,012,928/1,416,434,897.49
  6. Step 6: Final answer
    x = 1,078,231,764.86

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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.