Finding the Fourth Proportional to 1,065,694,816.12, 1,598,651,847.96 and 402,267,652.24
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Solution
The fourth proportional to 1,065,694,816.12, 1,598,651,847.96 and 402,267,652.24 is: 603,442,858.03
Step by Step Solution
- Step 1: Write the proportion equation
1,065,694,816.12 : 1,598,651,847.96 = 402,267,652.24 : x - Step 2: Convert to fraction form
1,065,694,816.12/1,598,651,847.96 = 402,267,652.24/x - Step 3: Cross multiply
1,065,694,816.12x = 1,598,651,847.96 × 402,267,652.24 - Step 4: Simplify right side
1,065,694,816.12x = 643,085,925,628,006,656 - Step 5: Solve for x
x = 643,085,925,628,006,656/1,065,694,816.12 - Step 6: Final answer
x = 603,442,858.03
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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.