Finding the Fourth Proportional to 2,500,074,577.98, 3,449,785,813.92 and 1,370,747,160.99
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Solution
The fourth proportional to 2,500,074,577.98, 3,449,785,813.92 and 1,370,747,160.99 is: 1,891,457,219.76
Step by Step Solution
- Step 1: Write the proportion equation
2,500,074,577.98 : 3,449,785,813.92 = 1,370,747,160.99 : x - Step 2: Convert to fraction form
2,500,074,577.98/3,449,785,813.92 = 1,370,747,160.99/x - Step 3: Cross multiply
2,500,074,577.98x = 3,449,785,813.92 × 1,370,747,160.99 - Step 4: Simplify right side
2,500,074,577.98x = 4,728,784,110,454,416,384 - Step 5: Solve for x
x = 4,728,784,110,454,416,384/2,500,074,577.98 - Step 6: Final answer
x = 1,891,457,219.76
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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.