Finding the Fourth Proportional to 2,086,554,997.80, 3,129,832,496.70 and 1,566,167,970.60
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Solution
The fourth proportional to 2,086,554,997.80, 3,129,832,496.70 and 1,566,167,970.60 is: 2,349,251,955.90
Step by Step Solution
- Step 1: Write the proportion equation
2,086,554,997.80 : 3,129,832,496.70 = 1,566,167,970.60 : x - Step 2: Convert to fraction form
2,086,554,997.80/3,129,832,496.70 = 1,566,167,970.60/x - Step 3: Cross multiply
2,086,554,997.80x = 3,129,832,496.70 × 1,566,167,970.60 - Step 4: Simplify right side
2,086,554,997.80x = 4,901,843,409,674,569,728 - Step 5: Solve for x
x = 4,901,843,409,674,569,728/2,086,554,997.80 - Step 6: Final answer
x = 2,349,251,955.90
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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.