Finding the Fourth Proportional to 2,658,492,026.40, 3,991,328,218.80 and 1,554,228,487.20
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Solution
The fourth proportional to 2,658,492,026.40, 3,991,328,218.80 and 1,554,228,487.20 is: 2,333,441,649.56
Step by Step Solution
- Step 1: Write the proportion equation
2,658,492,026.40 : 3,991,328,218.80 = 1,554,228,487.20 : x - Step 2: Convert to fraction form
2,658,492,026.40/3,991,328,218.80 = 1,554,228,487.20/x - Step 3: Cross multiply
2,658,492,026.40x = 3,991,328,218.80 × 1,554,228,487.20 - Step 4: Simplify right side
2,658,492,026.40x = 6,203,436,019,424,195,584 - Step 5: Solve for x
x = 6,203,436,019,424,195,584/2,658,492,026.40 - Step 6: Final answer
x = 2,333,441,649.56
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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.