Finding the Fourth Proportional to 3,540,630,728.32, 5,310,873,174.66 and 1,179,963,089.02
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Solution
The fourth proportional to 3,540,630,728.32, 5,310,873,174.66 and 1,179,963,089.02 is: 1,769,920,332.68
Step by Step Solution
- Step 1: Write the proportion equation
3,540,630,728.32 : 5,310,873,174.66 = 1,179,963,089.02 : x - Step 2: Convert to fraction form
3,540,630,728.32/5,310,873,174.66 = 1,179,963,089.02/x - Step 3: Cross multiply
3,540,630,728.32x = 5,310,873,174.66 × 1,179,963,089.02 - Step 4: Simplify right side
3,540,630,728.32x = 6,266,634,316,565,267,456 - Step 5: Solve for x
x = 6,266,634,316,565,267,456/3,540,630,728.32 - Step 6: Final answer
x = 1,769,920,332.68
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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.