Finding the Fourth Proportional to 396,324,635.12, 546,895,995.36 and 229,071,731
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Solution
The fourth proportional to 396,324,635.12, 546,895,995.36 and 229,071,731 is: 316,100,492.46
Step by Step Solution
- Step 1: Write the proportion equation
396,324,635.12 : 546,895,995.36 = 229,071,731 : x - Step 2: Convert to fraction form
396,324,635.12/546,895,995.36 = 229,071,731/x - Step 3: Cross multiply
396,324,635.12x = 546,895,995.36 × 229,071,731 - Step 4: Simplify right side
396,324,635.12x = 125,278,412,334,083,168 - Step 5: Solve for x
x = 125,278,412,334,083,168/396,324,635.12 - Step 6: Final answer
x = 316,100,492.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.