Finding the Fourth Proportional to 3,247,997,333.11, 4,482,239,636.93 and 1,762,885,764.79
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Solution
The fourth proportional to 3,247,997,333.11, 4,482,239,636.93 and 1,762,885,764.79 is: 2,432,784,155.88
Step by Step Solution
- Step 1: Write the proportion equation
3,247,997,333.11 : 4,482,239,636.93 = 1,762,885,764.79 : x - Step 2: Convert to fraction form
3,247,997,333.11/4,482,239,636.93 = 1,762,885,764.79/x - Step 3: Cross multiply
3,247,997,333.11x = 4,482,239,636.93 × 1,762,885,764.79 - Step 4: Simplify right side
3,247,997,333.11x = 7,901,676,450,321,395,712 - Step 5: Solve for x
x = 7,901,676,450,321,395,712/3,247,997,333.11 - Step 6: Final answer
x = 2,432,784,155.88
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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.