Finding the Fourth Proportional to 4,429,137,817.40, 6,643,706,726.10 and 4,092,416,799.80
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Solution
The fourth proportional to 4,429,137,817.40, 6,643,706,726.10 and 4,092,416,799.80 is: 6,138,625,199.70
Step by Step Solution
- Step 1: Write the proportion equation
4,429,137,817.40 : 6,643,706,726.10 = 4,092,416,799.80 : x - Step 2: Convert to fraction form
4,429,137,817.40/6,643,706,726.10 = 4,092,416,799.80/x - Step 3: Cross multiply
4,429,137,817.40x = 6,643,706,726.10 × 4,092,416,799.80 - Step 4: Simplify right side
4,429,137,817.40x = 27,188,817,018,835,898,368 - Step 5: Solve for x
x = 27,188,817,018,835,898,368/4,429,137,817.40 - Step 6: Final answer
x = 6,138,625,199.70
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1.5x scale
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.