Home / 1,839,263,999.40-2,758,895,999.10-1,639,725,618.60

Finding the Fourth Proportional to 1,839,263,999.40, 2,758,895,999.10 and 1,639,725,618.60

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Solution

The fourth proportional to 1,839,263,999.40, 2,758,895,999.10 and 1,639,725,618.60 is: 2,459,588,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839,263,999.40 : 2,758,895,999.10 = 1,639,725,618.60 : x
  2. Step 2: Convert to fraction form
    1,839,263,999.40/2,758,895,999.10 = 1,639,725,618.60/x
  3. Step 3: Cross multiply
    1,839,263,999.40x = 2,758,895,999.10 × 1,639,725,618.60
  4. Step 4: Simplify right side
    1,839,263,999.40x = 4,523,832,448,777,312,256
  5. Step 5: Solve for x
    x = 4,523,832,448,777,312,256/1,839,263,999.40
  6. Step 6: Final answer
    x = 2,459,588,427.90

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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.