Finding the Fourth Proportional to 331,421,260.38, 497,275,248.42 and 177,887,955.48
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Solution
The fourth proportional to 331,421,260.38, 497,275,248.42 and 177,887,955.48 is: 266,908,879.51
Step by Step Solution
- Step 1: Write the proportion equation
331,421,260.38 : 497,275,248.42 = 177,887,955.48 : x - Step 2: Convert to fraction form
331,421,260.38/497,275,248.42 = 177,887,955.48/x - Step 3: Cross multiply
331,421,260.38x = 497,275,248.42 × 177,887,955.48 - Step 4: Simplify right side
331,421,260.38x = 88,459,277,252,242,896 - Step 5: Solve for x
x = 88,459,277,252,242,896/331,421,260.38 - Step 6: Final answer
x = 266,908,879.51
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.