Finding the Fourth Proportional to 3,216,765,929.93, 4,437,860,479.73 and 1,860,149,157.31
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Solution
The fourth proportional to 3,216,765,929.93, 4,437,860,479.73 and 1,860,149,157.31 is: 2,566,267,677.37
Step by Step Solution
- Step 1: Write the proportion equation
3,216,765,929.93 : 4,437,860,479.73 = 1,860,149,157.31 : x - Step 2: Convert to fraction form
3,216,765,929.93/4,437,860,479.73 = 1,860,149,157.31/x - Step 3: Cross multiply
3,216,765,929.93x = 4,437,860,479.73 × 1,860,149,157.31 - Step 4: Simplify right side
3,216,765,929.93x = 8,255,082,431,642,434,560 - Step 5: Solve for x
x = 8,255,082,431,642,434,560/3,216,765,929.93 - Step 6: Final answer
x = 2,566,267,677.37
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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.