Finding the Fourth Proportional to 888,514,887.15, 1,332,772,330.73 and 668,976,610.05
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Solution
The fourth proportional to 888,514,887.15, 1,332,772,330.73 and 668,976,610.05 is: 1,003,464,915.08
Step by Step Solution
- Step 1: Write the proportion equation
888,514,887.15 : 1,332,772,330.73 = 668,976,610.05 : x - Step 2: Convert to fraction form
888,514,887.15/1,332,772,330.73 = 668,976,610.05/x - Step 3: Cross multiply
888,514,887.15x = 1,332,772,330.73 × 668,976,610.05 - Step 4: Simplify right side
888,514,887.15x = 891,593,515,776,847,872 - Step 5: Solve for x
x = 891,593,515,776,847,872/888,514,887.15 - Step 6: Final answer
x = 1,003,464,915.08
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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.