Finding the Fourth Proportional to 5,341,878,261.51, 7,371,768,385.95 and 3,052,972,284.84
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Solution
The fourth proportional to 5,341,878,261.51, 7,371,768,385.95 and 3,052,972,284.84 is: 4,213,088,256.75
Step by Step Solution
- Step 1: Write the proportion equation
5,341,878,261.51 : 7,371,768,385.95 = 3,052,972,284.84 : x - Step 2: Convert to fraction form
5,341,878,261.51/7,371,768,385.95 = 3,052,972,284.84/x - Step 3: Cross multiply
5,341,878,261.51x = 7,371,768,385.95 × 3,052,972,284.84 - Step 4: Simplify right side
5,341,878,261.51x = 22,505,804,572,565,049,344 - Step 5: Solve for x
x = 22,505,804,572,565,049,344/5,341,878,261.51 - Step 6: Final answer
x = 4,213,088,256.75
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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.