Finding the Fourth Proportional to 45,630,464,493.52, 68,397,388,701 and 15,348,775,621.60
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Solution
The fourth proportional to 45,630,464,493.52, 68,397,388,701 and 15,348,775,621.60 is: 23,006,913,997.65
Step by Step Solution
- Step 1: Write the proportion equation
45,630,464,493.52 : 68,397,388,701 = 15,348,775,621.60 : x - Step 2: Convert to fraction form
45,630,464,493.52/68,397,388,701 = 15,348,775,621.60/x - Step 3: Cross multiply
45,630,464,493.52x = 68,397,388,701 × 15,348,775,621.60 - Step 4: Simplify right side
45,630,464,493.52x = 1,049,816,172,275,008,143,360 - Step 5: Solve for x
x = 1,049,816,172,275,008,143,360/45,630,464,493.52 - Step 6: Final answer
x = 23,006,913,997.65
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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.