Finding the Fourth Proportional to 18,287,853,489.18, 27,432,828,541.98 and 4,841,787,991.14
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Solution
The fourth proportional to 18,287,853,489.18, 27,432,828,541.98 and 4,841,787,991.14 is: 7,262,959,530.82
Step by Step Solution
- Step 1: Write the proportion equation
18,287,853,489.18 : 27,432,828,541.98 = 4,841,787,991.14 : x - Step 2: Convert to fraction form
18,287,853,489.18/27,432,828,541.98 = 4,841,787,991.14/x - Step 3: Cross multiply
18,287,853,489.18x = 27,432,828,541.98 × 4,841,787,991.14 - Step 4: Simplify right side
18,287,853,489.18x = 132,823,939,797,561,409,536 - Step 5: Solve for x
x = 132,823,939,797,561,409,536/18,287,853,489.18 - Step 6: Final answer
x = 7,262,959,530.82
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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.