Finding the Fourth Proportional to 2,640,734,077.80, 3,961,101,116.70 and 1,416,294,013.80
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Solution
The fourth proportional to 2,640,734,077.80, 3,961,101,116.70 and 1,416,294,013.80 is: 2,124,441,020.70
Step by Step Solution
- Step 1: Write the proportion equation
2,640,734,077.80 : 3,961,101,116.70 = 1,416,294,013.80 : x - Step 2: Convert to fraction form
2,640,734,077.80/3,961,101,116.70 = 1,416,294,013.80/x - Step 3: Cross multiply
2,640,734,077.80x = 3,961,101,116.70 × 1,416,294,013.80 - Step 4: Simplify right side
2,640,734,077.80x = 5,610,083,799,638,705,152 - Step 5: Solve for x
x = 5,610,083,799,638,705,152/2,640,734,077.80 - Step 6: Final answer
x = 2,124,441,020.70
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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.