Finding the Fourth Proportional to 1,776,888,610.26, 2,452,076,132.54 and 983,917,563.99
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Solution
The fourth proportional to 1,776,888,610.26, 2,452,076,132.54 and 983,917,563.99 is: 1,357,789,543.54
Step by Step Solution
- Step 1: Write the proportion equation
1,776,888,610.26 : 2,452,076,132.54 = 983,917,563.99 : x - Step 2: Convert to fraction form
1,776,888,610.26/2,452,076,132.54 = 983,917,563.99/x - Step 3: Cross multiply
1,776,888,610.26x = 2,452,076,132.54 × 983,917,563.99 - Step 4: Simplify right side
1,776,888,610.26x = 2,412,640,775,046,777,344 - Step 5: Solve for x
x = 2,412,640,775,046,777,344/1,776,888,610.26 - Step 6: Final answer
x = 1,357,789,543.54
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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.