Finding the Fourth Proportional to 6,487,182,990.52, 8,952,660,125.04 and 3,629,154,709.68
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Solution
The fourth proportional to 6,487,182,990.52, 8,952,660,125.04 and 3,629,154,709.68 is: 5,008,427,957.78
Step by Step Solution
- Step 1: Write the proportion equation
6,487,182,990.52 : 8,952,660,125.04 = 3,629,154,709.68 : x - Step 2: Convert to fraction form
6,487,182,990.52/8,952,660,125.04 = 3,629,154,709.68/x - Step 3: Cross multiply
6,487,182,990.52x = 8,952,660,125.04 × 3,629,154,709.68 - Step 4: Simplify right side
6,487,182,990.52x = 32,490,588,656,953,253,888 - Step 5: Solve for x
x = 32,490,588,656,953,253,888/6,487,182,990.52 - Step 6: Final answer
x = 5,008,427,957.78
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.