Finding the Fourth Proportional to 8,633,634,852.44, 12,951,687,646.74 and 2,658,266,612.12
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Solution
The fourth proportional to 8,633,634,852.44, 12,951,687,646.74 and 2,658,266,612.12 is: 3,987,780,283.78
Step by Step Solution
- Step 1: Write the proportion equation
8,633,634,852.44 : 12,951,687,646.74 = 2,658,266,612.12 : x - Step 2: Convert to fraction form
8,633,634,852.44/12,951,687,646.74 = 2,658,266,612.12/x - Step 3: Cross multiply
8,633,634,852.44x = 12,951,687,646.74 × 2,658,266,612.12 - Step 4: Simplify right side
8,633,634,852.44x = 34,429,038,841,935,994,880 - Step 5: Solve for x
x = 34,429,038,841,935,994,880/8,633,634,852.44 - Step 6: Final answer
x = 3,987,780,283.78
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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.