Home / 4,042,548,012.80-6,063,822,019.20-978,928,428.80

Finding the Fourth Proportional to 4,042,548,012.80, 6,063,822,019.20 and 978,928,428.80

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Solution

The fourth proportional to 4,042,548,012.80, 6,063,822,019.20 and 978,928,428.80 is: 1,468,392,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042,548,012.80 : 6,063,822,019.20 = 978,928,428.80 : x
  2. Step 2: Convert to fraction form
    4,042,548,012.80/6,063,822,019.20 = 978,928,428.80/x
  3. Step 3: Cross multiply
    4,042,548,012.80x = 6,063,822,019.20 × 978,928,428.80
  4. Step 4: Simplify right side
    4,042,548,012.80x = 5,936,047,761,778,298,880
  5. Step 5: Solve for x
    x = 5,936,047,761,778,298,880/4,042,548,012.80
  6. Step 6: Final answer
    x = 1,468,392,643.20

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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.