Finding the Fourth Proportional to 418,615,725.12, 577,689,701.28 and 233,020,584.96
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Solution
The fourth proportional to 418,615,725.12, 577,689,701.28 and 233,020,584.96 is: 321,568,407.59
Step by Step Solution
- Step 1: Write the proportion equation
418,615,725.12 : 577,689,701.28 = 233,020,584.96 : x - Step 2: Convert to fraction form
418,615,725.12/577,689,701.28 = 233,020,584.96/x - Step 3: Cross multiply
418,615,725.12x = 577,689,701.28 × 233,020,584.96 - Step 4: Simplify right side
418,615,725.12x = 134,613,592,117,633,264 - Step 5: Solve for x
x = 134,613,592,117,633,264/418,615,725.12 - Step 6: Final answer
x = 321,568,407.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.