Finding the Fourth Proportional to 5,248,929,048.58, 7,873,401,150.53 and 2,143,511,691.44
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Solution
The fourth proportional to 5,248,929,048.58, 7,873,401,150.53 and 2,143,511,691.44 is: 3,215,270,631.66
Step by Step Solution
- Step 1: Write the proportion equation
5,248,929,048.58 : 7,873,401,150.53 = 2,143,511,691.44 : x - Step 2: Convert to fraction form
5,248,929,048.58/7,873,401,150.53 = 2,143,511,691.44/x - Step 3: Cross multiply
5,248,929,048.58x = 7,873,401,150.53 × 2,143,511,691.44 - Step 4: Simplify right side
5,248,929,048.58x = 16,876,727,417,547,485,184 - Step 5: Solve for x
x = 16,876,727,417,547,485,184/5,248,929,048.58 - Step 6: Final answer
x = 3,215,270,631.66
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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.