Finding the Fourth Proportional to 279,230,449.24, 385,333,318.74 and 153,794,326.12
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Solution
The fourth proportional to 279,230,449.24, 385,333,318.74 and 153,794,326.12 is: 212,233,580.72
Step by Step Solution
- Step 1: Write the proportion equation
279,230,449.24 : 385,333,318.74 = 153,794,326.12 : x - Step 2: Convert to fraction form
279,230,449.24/385,333,318.74 = 153,794,326.12/x - Step 3: Cross multiply
279,230,449.24x = 385,333,318.74 × 153,794,326.12 - Step 4: Simplify right side
279,230,449.24x = 59,262,078,087,201,472 - Step 5: Solve for x
x = 59,262,078,087,201,472/279,230,449.24 - Step 6: Final answer
x = 212,233,580.72
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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.