Home / 1,627,128,116.70-2,440,692,175.05-851,011,680.30

Finding the Fourth Proportional to 1,627,128,116.70, 2,440,692,175.05 and 851,011,680.30

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Solution

The fourth proportional to 1,627,128,116.70, 2,440,692,175.05 and 851,011,680.30 is: 1,276,517,520.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,128,116.70 : 2,440,692,175.05 = 851,011,680.30 : x
  2. Step 2: Convert to fraction form
    1,627,128,116.70/2,440,692,175.05 = 851,011,680.30/x
  3. Step 3: Cross multiply
    1,627,128,116.70x = 2,440,692,175.05 × 851,011,680.30
  4. Step 4: Simplify right side
    1,627,128,116.70x = 2,077,057,548,984,362,240
  5. Step 5: Solve for x
    x = 2,077,057,548,984,362,240/1,627,128,116.70
  6. Step 6: Final answer
    x = 1,276,517,520.45

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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.