Finding the Fourth Proportional to 8,191,296,973.62, 12,287,490,298.08 and 2,878,766,613.99
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Solution
The fourth proportional to 8,191,296,973.62, 12,287,490,298.08 and 2,878,766,613.99 is: 4,318,341,399.87
Step by Step Solution
- Step 1: Write the proportion equation
8,191,296,973.62 : 12,287,490,298.08 = 2,878,766,613.99 : x - Step 2: Convert to fraction form
8,191,296,973.62/12,287,490,298.08 = 2,878,766,613.99/x - Step 3: Cross multiply
8,191,296,973.62x = 12,287,490,298.08 × 2,878,766,613.99 - Step 4: Simplify right side
8,191,296,973.62x = 35,372,816,839,838,736,384 - Step 5: Solve for x
x = 35,372,816,839,838,736,384/8,191,296,973.62 - Step 6: Final answer
x = 4,318,341,399.87
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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.