Finding the Fourth Proportional to 3,572,402,608.71, 4,929,919,687.15 and 1,986,460,516.17
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Solution
The fourth proportional to 3,572,402,608.71, 4,929,919,687.15 and 1,986,460,516.17 is: 2,741,317,784.99
Step by Step Solution
- Step 1: Write the proportion equation
3,572,402,608.71 : 4,929,919,687.15 = 1,986,460,516.17 : x - Step 2: Convert to fraction form
3,572,402,608.71/4,929,919,687.15 = 1,986,460,516.17/x - Step 3: Cross multiply
3,572,402,608.71x = 4,929,919,687.15 × 1,986,460,516.17 - Step 4: Simplify right side
3,572,402,608.71x = 9,793,090,806,407,667,712 - Step 5: Solve for x
x = 9,793,090,806,407,667,712/3,572,402,608.71 - Step 6: Final answer
x = 2,741,317,784.99
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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.