Finding the Fourth Proportional to 1,381,089,117.87, 2,070,237,463.17 and 594,655,640.19
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Solution
The fourth proportional to 1,381,089,117.87, 2,070,237,463.17 and 594,655,640.19 is: 891,382,292.48
Step by Step Solution
- Step 1: Write the proportion equation
1,381,089,117.87 : 2,070,237,463.17 = 594,655,640.19 : x - Step 2: Convert to fraction form
1,381,089,117.87/2,070,237,463.17 = 594,655,640.19/x - Step 3: Cross multiply
1,381,089,117.87x = 2,070,237,463.17 × 594,655,640.19 - Step 4: Simplify right side
1,381,089,117.87x = 1,231,078,384,004,418,304 - Step 5: Solve for x
x = 1,231,078,384,004,418,304/1,381,089,117.87 - Step 6: Final answer
x = 891,382,292.48
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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.