Finding the Fourth Proportional to 3,791,132,809.84, 5,687,474,814.12 and 1,303,670,689.52
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Solution
The fourth proportional to 3,791,132,809.84, 5,687,474,814.12 and 1,303,670,689.52 is: 1,955,772,742.47
Step by Step Solution
- Step 1: Write the proportion equation
3,791,132,809.84 : 5,687,474,814.12 = 1,303,670,689.52 : x - Step 2: Convert to fraction form
3,791,132,809.84/5,687,474,814.12 = 1,303,670,689.52/x - Step 3: Cross multiply
3,791,132,809.84x = 5,687,474,814.12 × 1,303,670,689.52 - Step 4: Simplify right side
3,791,132,809.84x = 7,414,594,212,551,453,696 - Step 5: Solve for x
x = 7,414,594,212,551,453,696/3,791,132,809.84 - Step 6: Final answer
x = 1,955,772,742.47
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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.