Home / 1,485,227,802.71-2,049,167,405.52-890,295,214.25

Finding the Fourth Proportional to 1,485,227,802.71, 2,049,167,405.52 and 890,295,214.25

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Solution

The fourth proportional to 1,485,227,802.71, 2,049,167,405.52 and 890,295,214.25 is: 1,228,339,471.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,227,802.71 : 2,049,167,405.52 = 890,295,214.25 : x
  2. Step 2: Convert to fraction form
    1,485,227,802.71/2,049,167,405.52 = 890,295,214.25/x
  3. Step 3: Cross multiply
    1,485,227,802.71x = 2,049,167,405.52 × 890,295,214.25
  4. Step 4: Simplify right side
    1,485,227,802.71x = 1,824,363,934,321,299,200
  5. Step 5: Solve for x
    x = 1,824,363,934,321,299,200/1,485,227,802.71
  6. Step 6: Final answer
    x = 1,228,339,471.56

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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.