Finding the Fourth Proportional to 1,769,833,541.80, 2,654,750,312.70 and 620,976,197.80
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Solution
The fourth proportional to 1,769,833,541.80, 2,654,750,312.70 and 620,976,197.80 is: 931,464,296.70
Step by Step Solution
- Step 1: Write the proportion equation
1,769,833,541.80 : 2,654,750,312.70 = 620,976,197.80 : x - Step 2: Convert to fraction form
1,769,833,541.80/2,654,750,312.70 = 620,976,197.80/x - Step 3: Cross multiply
1,769,833,541.80x = 2,654,750,312.70 × 620,976,197.80 - Step 4: Simplify right side
1,769,833,541.80x = 1,648,536,755,288,806,912 - Step 5: Solve for x
x = 1,648,536,755,288,806,912/1,769,833,541.80 - Step 6: Final answer
x = 931,464,296.70
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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.