Home / 1,016,954,505.80-1,525,445,930.94-289,943,217.80

Finding the Fourth Proportional to 1,016,954,505.80, 1,525,445,930.94 and 289,943,217.80

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Solution

The fourth proportional to 1,016,954,505.80, 1,525,445,930.94 and 289,943,217.80 is: 434,918,867.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,954,505.80 : 1,525,445,930.94 = 289,943,217.80 : x
  2. Step 2: Convert to fraction form
    1,016,954,505.80/1,525,445,930.94 = 289,943,217.80/x
  3. Step 3: Cross multiply
    1,016,954,505.80x = 1,525,445,930.94 × 289,943,217.80
  4. Step 4: Simplify right side
    1,016,954,505.80x = 442,292,701,796,660,224
  5. Step 5: Solve for x
    x = 442,292,701,796,660,224/1,016,954,505.80
  6. Step 6: Final answer
    x = 434,918,867.34

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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.