Finding the Fourth Proportional to 7,791,921,958.21, 11,687,719,187.03 and 1,896,514,084.96
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Solution
The fourth proportional to 7,791,921,958.21, 11,687,719,187.03 and 1,896,514,084.96 is: 2,844,731,271.45
Step by Step Solution
- Step 1: Write the proportion equation
7,791,921,958.21 : 11,687,719,187.03 = 1,896,514,084.96 : x - Step 2: Convert to fraction form
7,791,921,958.21/11,687,719,187.03 = 1,896,514,084.96/x - Step 3: Cross multiply
7,791,921,958.21x = 11,687,719,187.03 × 1,896,514,084.96 - Step 4: Simplify right side
7,791,921,958.21x = 22,165,924,059,220,934,656 - Step 5: Solve for x
x = 22,165,924,059,220,934,656/7,791,921,958.21 - Step 6: Final answer
x = 2,844,731,271.45
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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.