Home / 1,362,960,048.40-2,043,936,187.80-442,866,403.60

Finding the Fourth Proportional to 1,362,960,048.40, 2,043,936,187.80 and 442,866,403.60

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Solution

The fourth proportional to 1,362,960,048.40, 2,043,936,187.80 and 442,866,403.60 is: 664,135,878.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,960,048.40 : 2,043,936,187.80 = 442,866,403.60 : x
  2. Step 2: Convert to fraction form
    1,362,960,048.40/2,043,936,187.80 = 442,866,403.60/x
  3. Step 3: Cross multiply
    1,362,960,048.40x = 2,043,936,187.80 × 442,866,403.60
  4. Step 4: Simplify right side
    1,362,960,048.40x = 905,190,668,678,880,256
  5. Step 5: Solve for x
    x = 905,190,668,678,880,256/1,362,960,048.40
  6. Step 6: Final answer
    x = 664,135,878.19

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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.