Finding the Fourth Proportional to 3,127,106,716.20, 4,691,454,033.87 and 1,447,603,024.32
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Solution
The fourth proportional to 3,127,106,716.20, 4,691,454,033.87 and 1,447,603,024.32 is: 2,171,772,076.95
Step by Step Solution
- Step 1: Write the proportion equation
3,127,106,716.20 : 4,691,454,033.87 = 1,447,603,024.32 : x - Step 2: Convert to fraction form
3,127,106,716.20/4,691,454,033.87 = 1,447,603,024.32/x - Step 3: Cross multiply
3,127,106,716.20x = 4,691,454,033.87 × 1,447,603,024.32 - Step 4: Simplify right side
3,127,106,716.20x = 6,791,363,047,888,475,136 - Step 5: Solve for x
x = 6,791,363,047,888,475,136/3,127,106,716.20 - Step 6: Final answer
x = 2,171,772,076.95
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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.