Finding the Fourth Proportional to 4,690,653,857.30, 6,471,650,823.81 and 2,709,781,931.54
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Solution
The fourth proportional to 4,690,653,857.30, 6,471,650,823.81 and 2,709,781,931.54 is: 3,738,660,537.12
Step by Step Solution
- Step 1: Write the proportion equation
4,690,653,857.30 : 6,471,650,823.81 = 2,709,781,931.54 : x - Step 2: Convert to fraction form
4,690,653,857.30/6,471,650,823.81 = 2,709,781,931.54/x - Step 3: Cross multiply
4,690,653,857.30x = 6,471,650,823.81 × 2,709,781,931.54 - Step 4: Simplify right side
4,690,653,857.30x = 17,536,762,469,596,295,168 - Step 5: Solve for x
x = 17,536,762,469,596,295,168/4,690,653,857.30 - Step 6: Final answer
x = 3,738,660,537.12
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1.5x scale
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.