Finding the Fourth Proportional to 2,786,575,941.58, 3,845,475,427.08 and 1,533,512,797.47
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Solution
The fourth proportional to 2,786,575,941.58, 3,845,475,427.08 and 1,533,512,797.47 is: 2,116,248,005.94
Step by Step Solution
- Step 1: Write the proportion equation
2,786,575,941.58 : 3,845,475,427.08 = 1,533,512,797.47 : x - Step 2: Convert to fraction form
2,786,575,941.58/3,845,475,427.08 = 1,533,512,797.47/x - Step 3: Cross multiply
2,786,575,941.58x = 3,845,475,427.08 × 1,533,512,797.47 - Step 4: Simplify right side
2,786,575,941.58x = 5,897,085,779,776,287,744 - Step 5: Solve for x
x = 5,897,085,779,776,287,744/2,786,575,941.58 - Step 6: Final answer
x = 2,116,248,005.94
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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.