Finding the Fourth Proportional to 8,221,234,340.73, 11,343,358,878.11 and 4,652,941,245.45
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Solution
The fourth proportional to 8,221,234,340.73, 11,343,358,878.11 and 4,652,941,245.45 is: 6,419,958,390.49
Step by Step Solution
- Step 1: Write the proportion equation
8,221,234,340.73 : 11,343,358,878.11 = 4,652,941,245.45 : x - Step 2: Convert to fraction form
8,221,234,340.73/11,343,358,878.11 = 4,652,941,245.45/x - Step 3: Cross multiply
8,221,234,340.73x = 11,343,358,878.11 × 4,652,941,245.45 - Step 4: Simplify right side
8,221,234,340.73x = 52,779,982,385,890,148,352 - Step 5: Solve for x
x = 52,779,982,385,890,148,352/8,221,234,340.73 - Step 6: Final answer
x = 6,419,958,390.49
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Double scale
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1.5x scale
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.