Finding the Fourth Proportional to 467,356,842.92, 644,912,266.29 and 258,460,988.96
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Solution
The fourth proportional to 467,356,842.92, 644,912,266.29 and 258,460,988.96 is: 356,653,945.83
Step by Step Solution
- Step 1: Write the proportion equation
467,356,842.92 : 644,912,266.29 = 258,460,988.96 : x - Step 2: Convert to fraction form
467,356,842.92/644,912,266.29 = 258,460,988.96/x - Step 3: Cross multiply
467,356,842.92x = 644,912,266.29 × 258,460,988.96 - Step 4: Simplify right side
467,356,842.92x = 166,684,662,137,748,256 - Step 5: Solve for x
x = 166,684,662,137,748,256/467,356,842.92 - Step 6: Final answer
x = 356,653,945.83
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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.