Finding the Fourth Proportional to 6,439,925,747.08, 8,887,127,626.80 and 3,658,634,268.04
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Solution
The fourth proportional to 6,439,925,747.08, 8,887,127,626.80 and 3,658,634,268.04 is: 5,048,932,387.86
Step by Step Solution
- Step 1: Write the proportion equation
6,439,925,747.08 : 8,887,127,626.80 = 3,658,634,268.04 : x - Step 2: Convert to fraction form
6,439,925,747.08/8,887,127,626.80 = 3,658,634,268.04/x - Step 3: Cross multiply
6,439,925,747.08x = 8,887,127,626.80 × 3,658,634,268.04 - Step 4: Simplify right side
6,439,925,747.08x = 32,514,749,679,855,476,736 - Step 5: Solve for x
x = 32,514,749,679,855,476,736/6,439,925,747.08 - Step 6: Final answer
x = 5,048,932,387.86
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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.