Finding the Fourth Proportional to 7,505,686,175.87, 10,357,649,716.25 and 4,118,585,059.91
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Solution
The fourth proportional to 7,505,686,175.87, 10,357,649,716.25 and 4,118,585,059.91 is: 5,683,539,169.85
Step by Step Solution
- Step 1: Write the proportion equation
7,505,686,175.87 : 10,357,649,716.25 = 4,118,585,059.91 : x - Step 2: Convert to fraction form
7,505,686,175.87/10,357,649,716.25 = 4,118,585,059.91/x - Step 3: Cross multiply
7,505,686,175.87x = 10,357,649,716.25 × 4,118,585,059.91 - Step 4: Simplify right side
7,505,686,175.87x = 42,658,861,377,128,300,544 - Step 5: Solve for x
x = 42,658,861,377,128,300,544/7,505,686,175.87 - Step 6: Final answer
x = 5,683,539,169.85
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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.