Finding the Fourth Proportional to 5,428,755,265.80, 8,143,132,898.70 and 3,362,512,657.80
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Solution
The fourth proportional to 5,428,755,265.80, 8,143,132,898.70 and 3,362,512,657.80 is: 5,043,768,986.70
Step by Step Solution
- Step 1: Write the proportion equation
5,428,755,265.80 : 8,143,132,898.70 = 3,362,512,657.80 : x - Step 2: Convert to fraction form
5,428,755,265.80/8,143,132,898.70 = 3,362,512,657.80/x - Step 3: Cross multiply
5,428,755,265.80x = 8,143,132,898.70 × 3,362,512,657.80 - Step 4: Simplify right side
5,428,755,265.80x = 27,381,387,446,026,354,688 - Step 5: Solve for x
x = 27,381,387,446,026,354,688/5,428,755,265.80 - Step 6: Final answer
x = 5,043,768,986.70
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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.