Finding the Fourth Proportional to 1,840,784,930.21, 2,540,209,811.67 and 1,036,993,703.74
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Solution
The fourth proportional to 1,840,784,930.21, 2,540,209,811.67 and 1,036,993,703.74 is: 1,431,009,966.26
Step by Step Solution
- Step 1: Write the proportion equation
1,840,784,930.21 : 2,540,209,811.67 = 1,036,993,703.74 : x - Step 2: Convert to fraction form
1,840,784,930.21/2,540,209,811.67 = 1,036,993,703.74/x - Step 3: Cross multiply
1,840,784,930.21x = 2,540,209,811.67 × 1,036,993,703.74 - Step 4: Simplify right side
1,840,784,930.21x = 2,634,181,580,874,010,624 - Step 5: Solve for x
x = 2,634,181,580,874,010,624/1,840,784,930.21 - Step 6: Final answer
x = 1,431,009,966.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.