Finding the Fourth Proportional to 3,572,402,613.21, 4,929,919,693.35 and 1,986,460,520.67
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Solution
The fourth proportional to 3,572,402,613.21, 4,929,919,693.35 and 1,986,460,520.67 is: 2,741,317,791.20
Step by Step Solution
- Step 1: Write the proportion equation
3,572,402,613.21 : 4,929,919,693.35 = 1,986,460,520.67 : x - Step 2: Convert to fraction form
3,572,402,613.21/4,929,919,693.35 = 1,986,460,520.67/x - Step 3: Cross multiply
3,572,402,613.21x = 4,929,919,693.35 × 1,986,460,520.67 - Step 4: Simplify right side
3,572,402,613.21x = 9,793,090,840,913,328,128 - Step 5: Solve for x
x = 9,793,090,840,913,328,128/3,572,402,613.21 - Step 6: Final answer
x = 2,741,317,791.20
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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.