Finding the Fourth Proportional to 1,424,108,304.80, 2,136,540,370.80 and 503,888,688.80
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Solution
The fourth proportional to 1,424,108,304.80, 2,136,540,370.80 and 503,888,688.80 is: 755,966,749.43
Step by Step Solution
- Step 1: Write the proportion equation
1,424,108,304.80 : 2,136,540,370.80 = 503,888,688.80 : x - Step 2: Convert to fraction form
1,424,108,304.80/2,136,540,370.80 = 503,888,688.80/x - Step 3: Cross multiply
1,424,108,304.80x = 2,136,540,370.80 × 503,888,688.80 - Step 4: Simplify right side
1,424,108,304.80x = 1,076,578,526,010,677,760 - Step 5: Solve for x
x = 1,076,578,526,010,677,760/1,424,108,304.80 - Step 6: Final answer
x = 755,966,749.43
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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.