Finding the Fourth Proportional to 2,558,114,059.84, 3,837,537,124.70 and 787,634,581.09
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Solution
The fourth proportional to 2,558,114,059.84, 3,837,537,124.70 and 787,634,581.09 is: 1,181,564,572.54
Step by Step Solution
- Step 1: Write the proportion equation
2,558,114,059.84 : 3,837,537,124.70 = 787,634,581.09 : x - Step 2: Convert to fraction form
2,558,114,059.84/3,837,537,124.70 = 787,634,581.09/x - Step 3: Cross multiply
2,558,114,059.84x = 3,837,537,124.70 × 787,634,581.09 - Step 4: Simplify right side
2,558,114,059.84x = 3,022,576,945,630,407,680 - Step 5: Solve for x
x = 3,022,576,945,630,407,680/2,558,114,059.84 - Step 6: Final answer
x = 1,181,564,572.54
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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.