Finding the Fourth Proportional to 2,852,706,112.84, 4,279,352,378.69 and 987,348,763.34
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Solution
The fourth proportional to 2,852,706,112.84, 4,279,352,378.69 and 987,348,763.34 is: 1,481,124,627.59
Step by Step Solution
- Step 1: Write the proportion equation
2,852,706,112.84 : 4,279,352,378.69 = 987,348,763.34 : x - Step 2: Convert to fraction form
2,852,706,112.84/4,279,352,378.69 = 987,348,763.34/x - Step 3: Cross multiply
2,852,706,112.84x = 4,279,352,378.69 × 987,348,763.34 - Step 4: Simplify right side
2,852,706,112.84x = 4,225,213,278,995,659,264 - Step 5: Solve for x
x = 4,225,213,278,995,659,264/2,852,706,112.84 - Step 6: Final answer
x = 1,481,124,627.59
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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.