Finding the Fourth Proportional to 7,243,344,277.10, 10,865,016,415.65 and 5,406,684,181.10
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Solution
The fourth proportional to 7,243,344,277.10, 10,865,016,415.65 and 5,406,684,181.10 is: 8,110,026,271.65
Step by Step Solution
- Step 1: Write the proportion equation
7,243,344,277.10 : 10,865,016,415.65 = 5,406,684,181.10 : x - Step 2: Convert to fraction form
7,243,344,277.10/10,865,016,415.65 = 5,406,684,181.10/x - Step 3: Cross multiply
7,243,344,277.10x = 10,865,016,415.65 × 5,406,684,181.10 - Step 4: Simplify right side
7,243,344,277.10x = 58,743,712,381,886,676,992 - Step 5: Solve for x
x = 58,743,712,381,886,676,992/7,243,344,277.10 - Step 6: Final answer
x = 8,110,026,271.65
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Double scale
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Similar ratio
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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.