Home / 1,627,128,131.20-2,440,692,196.80-851,011,694.80

Finding the Fourth Proportional to 1,627,128,131.20, 2,440,692,196.80 and 851,011,694.80

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Solution

The fourth proportional to 1,627,128,131.20, 2,440,692,196.80 and 851,011,694.80 is: 1,276,517,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,128,131.20 : 2,440,692,196.80 = 851,011,694.80 : x
  2. Step 2: Convert to fraction form
    1,627,128,131.20/2,440,692,196.80 = 851,011,694.80/x
  3. Step 3: Cross multiply
    1,627,128,131.20x = 2,440,692,196.80 × 851,011,694.80
  4. Step 4: Simplify right side
    1,627,128,131.20x = 2,077,057,602,883,903,232
  5. Step 5: Solve for x
    x = 2,077,057,602,883,903,232/1,627,128,131.20
  6. Step 6: Final answer
    x = 1,276,517,542.20

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Double scale
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1.5x scale

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.