Finding the Fourth Proportional to 3,641,928,762.42, 5,462,907,315.39 and 881,553,349.62
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Solution
The fourth proportional to 3,641,928,762.42, 5,462,907,315.39 and 881,553,349.62 is: 1,322,333,454.80
Step by Step Solution
- Step 1: Write the proportion equation
3,641,928,762.42 : 5,462,907,315.39 = 881,553,349.62 : x - Step 2: Convert to fraction form
3,641,928,762.42/5,462,907,315.39 = 881,553,349.62/x - Step 3: Cross multiply
3,641,928,762.42x = 5,462,907,315.39 × 881,553,349.62 - Step 4: Simplify right side
3,641,928,762.42x = 4,815,844,242,545,656,832 - Step 5: Solve for x
x = 4,815,844,242,545,656,832/3,641,928,762.42 - Step 6: Final answer
x = 1,322,333,454.80
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1.5x scale
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.