Home / 1,947,958,415.44-2,688,110,568.56-1,055,865,988.28

Finding the Fourth Proportional to 1,947,958,415.44, 2,688,110,568.56 and 1,055,865,988.28

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Solution

The fourth proportional to 1,947,958,415.44, 2,688,110,568.56 and 1,055,865,988.28 is: 1,457,056,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,958,415.44 : 2,688,110,568.56 = 1,055,865,988.28 : x
  2. Step 2: Convert to fraction form
    1,947,958,415.44/2,688,110,568.56 = 1,055,865,988.28/x
  3. Step 3: Cross multiply
    1,947,958,415.44x = 2,688,110,568.56 × 1,055,865,988.28
  4. Step 4: Simplify right side
    1,947,958,415.44x = 2,838,284,522,087,877,120
  5. Step 5: Solve for x
    x = 2,838,284,522,087,877,120/1,947,958,415.44
  6. Step 6: Final answer
    x = 1,457,056,012.90

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Double scale
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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.