Finding the Fourth Proportional to 7,612,325,372.90, 11,419,038,393.52 and 3,186,293,406.14
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Solution
The fourth proportional to 7,612,325,372.90, 11,419,038,393.52 and 3,186,293,406.14 is: 4,779,670,462.76
Step by Step Solution
- Step 1: Write the proportion equation
7,612,325,372.90 : 11,419,038,393.52 = 3,186,293,406.14 : x - Step 2: Convert to fraction form
7,612,325,372.90/11,419,038,393.52 = 3,186,293,406.14/x - Step 3: Cross multiply
7,612,325,372.90x = 11,419,038,393.52 × 3,186,293,406.14 - Step 4: Simplify right side
7,612,325,372.90x = 36,384,406,737,732,276,224 - Step 5: Solve for x
x = 36,384,406,737,732,276,224/7,612,325,372.90 - Step 6: Final answer
x = 4,779,670,462.76
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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.