Finding the Fourth Proportional to 8,221,234,341.23, 11,343,358,878.80 and 4,652,941,245.95
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Solution
The fourth proportional to 8,221,234,341.23, 11,343,358,878.80 and 4,652,941,245.95 is: 6,419,958,391.17
Step by Step Solution
- Step 1: Write the proportion equation
8,221,234,341.23 : 11,343,358,878.80 = 4,652,941,245.95 : x - Step 2: Convert to fraction form
8,221,234,341.23/11,343,358,878.80 = 4,652,941,245.95/x - Step 3: Cross multiply
8,221,234,341.23x = 11,343,358,878.80 × 4,652,941,245.95 - Step 4: Simplify right side
8,221,234,341.23x = 52,779,982,394,758,397,952 - Step 5: Solve for x
x = 52,779,982,394,758,397,952/8,221,234,341.23 - Step 6: Final answer
x = 6,419,958,391.17
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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.