Finding the Fourth Proportional to 572,848,218.84, 790,392,642.76 and 334,558,268.40
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Solution
The fourth proportional to 572,848,218.84, 790,392,642.76 and 334,558,268.40 is: 461,609,873.65
Step by Step Solution
- Step 1: Write the proportion equation
572,848,218.84 : 790,392,642.76 = 334,558,268.40 : x - Step 2: Convert to fraction form
572,848,218.84/790,392,642.76 = 334,558,268.40/x - Step 3: Cross multiply
572,848,218.84x = 790,392,642.76 × 334,558,268.40 - Step 4: Simplify right side
572,848,218.84x = 264,432,393,917,885,376 - Step 5: Solve for x
x = 264,432,393,917,885,376/572,848,218.84 - Step 6: Final answer
x = 461,609,873.65
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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.