Finding the Fourth Proportional to 1,860,418,444.68, 2,791,036,282.41 and 550,218,350.43
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Solution
The fourth proportional to 1,860,418,444.68, 2,791,036,282.41 and 550,218,350.43 is: 825,448,373.56
Step by Step Solution
- Step 1: Write the proportion equation
1,860,418,444.68 : 2,791,036,282.41 = 550,218,350.43 : x - Step 2: Convert to fraction form
1,860,418,444.68/2,791,036,282.41 = 550,218,350.43/x - Step 3: Cross multiply
1,860,418,444.68x = 2,791,036,282.41 × 550,218,350.43 - Step 4: Simplify right side
1,860,418,444.68x = 1,535,679,379,297,909,504 - Step 5: Solve for x
x = 1,535,679,379,297,909,504/1,860,418,444.68 - Step 6: Final answer
x = 825,448,373.56
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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.