Finding the Fourth Proportional to 1,692,326,532.96, 2,539,082,058.48 and 657,913,236.84
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Solution
The fourth proportional to 1,692,326,532.96, 2,539,082,058.48 and 657,913,236.84 is: 987,100,103.42
Step by Step Solution
- Step 1: Write the proportion equation
1,692,326,532.96 : 2,539,082,058.48 = 657,913,236.84 : x - Step 2: Convert to fraction form
1,692,326,532.96/2,539,082,058.48 = 657,913,236.84/x - Step 3: Cross multiply
1,692,326,532.96x = 2,539,082,058.48 × 657,913,236.84 - Step 4: Simplify right side
1,692,326,532.96x = 1,670,495,695,696,946,944 - Step 5: Solve for x
x = 1,670,495,695,696,946,944/1,692,326,532.96 - Step 6: Final answer
x = 987,100,103.42
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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.