Finding the Fourth Proportional to 531,944,725.80, 797,917,088.70 and 302,362,213.80
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Solution
The fourth proportional to 531,944,725.80, 797,917,088.70 and 302,362,213.80 is: 453,543,320.70
Step by Step Solution
- Step 1: Write the proportion equation
531,944,725.80 : 797,917,088.70 = 302,362,213.80 : x - Step 2: Convert to fraction form
531,944,725.80/797,917,088.70 = 302,362,213.80/x - Step 3: Cross multiply
531,944,725.80x = 797,917,088.70 × 302,362,213.80 - Step 4: Simplify right side
531,944,725.80x = 241,259,977,368,182,976 - Step 5: Solve for x
x = 241,259,977,368,182,976/531,944,725.80 - Step 6: Final answer
x = 453,543,320.70
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Double scale
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Similar ratio
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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.