Home / 1,439,745,828.20-2,159,618,742.30-949,969,802.60

Finding the Fourth Proportional to 1,439,745,828.20, 2,159,618,742.30 and 949,969,802.60

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Solution

The fourth proportional to 1,439,745,828.20, 2,159,618,742.30 and 949,969,802.60 is: 1,424,954,703.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,745,828.20 : 2,159,618,742.30 = 949,969,802.60 : x
  2. Step 2: Convert to fraction form
    1,439,745,828.20/2,159,618,742.30 = 949,969,802.60/x
  3. Step 3: Cross multiply
    1,439,745,828.20x = 2,159,618,742.30 × 949,969,802.60
  4. Step 4: Simplify right side
    1,439,745,828.20x = 2,051,572,590,313,991,424
  5. Step 5: Solve for x
    x = 2,051,572,590,313,991,424/1,439,745,828.20
  6. Step 6: Final answer
    x = 1,424,954,703.90

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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.