Finding the Fourth Proportional to 4,739,313,448.78, 6,537,102,643.63 and 3,047,907,730.67
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Solution
The fourth proportional to 4,739,313,448.78, 6,537,102,643.63 and 3,047,907,730.67 is: 4,204,086,920.82
Step by Step Solution
- Step 1: Write the proportion equation
4,739,313,448.78 : 6,537,102,643.63 = 3,047,907,730.67 : x - Step 2: Convert to fraction form
4,739,313,448.78/6,537,102,643.63 = 3,047,907,730.67/x - Step 3: Cross multiply
4,739,313,448.78x = 6,537,102,643.63 × 3,047,907,730.67 - Step 4: Simplify right side
4,739,313,448.78x = 19,924,485,683,680,956,416 - Step 5: Solve for x
x = 19,924,485,683,680,956,416/4,739,313,448.78 - Step 6: Final answer
x = 4,204,086,920.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.