Finding the Fourth Proportional to 5,521,775,180.29, 7,620,237,787.29 and 3,265,648,702.99
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Solution
The fourth proportional to 5,521,775,180.29, 7,620,237,787.29 and 3,265,648,702.99 is: 4,506,706,418.50
Step by Step Solution
- Step 1: Write the proportion equation
5,521,775,180.29 : 7,620,237,787.29 = 3,265,648,702.99 : x - Step 2: Convert to fraction form
5,521,775,180.29/7,620,237,787.29 = 3,265,648,702.99/x - Step 3: Cross multiply
5,521,775,180.29x = 7,620,237,787.29 × 3,265,648,702.99 - Step 4: Simplify right side
5,521,775,180.29x = 24,885,019,646,538,973,184 - Step 5: Solve for x
x = 24,885,019,646,538,973,184/5,521,775,180.29 - Step 6: Final answer
x = 4,506,706,418.50
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1.5x scale
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.