Finding the Fourth Proportional to 3,897,641,086.67, 5,844,126,850.77 and 1,240,549,442.53
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Solution
The fourth proportional to 3,897,641,086.67, 5,844,126,850.77 and 1,240,549,442.53 is: 1,860,081,045.32
Step by Step Solution
- Step 1: Write the proportion equation
3,897,641,086.67 : 5,844,126,850.77 = 1,240,549,442.53 : x - Step 2: Convert to fraction form
3,897,641,086.67/5,844,126,850.77 = 1,240,549,442.53/x - Step 3: Cross multiply
3,897,641,086.67x = 5,844,126,850.77 × 1,240,549,442.53 - Step 4: Simplify right side
3,897,641,086.67x = 7,249,928,306,787,431,424 - Step 5: Solve for x
x = 7,249,928,306,787,431,424/3,897,641,086.67 - Step 6: Final answer
x = 1,860,081,045.32
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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.