Finding the Fourth Proportional to 25,610,905,652.99, 38,418,295,971.95 and 7,926,372,013.19
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Solution
The fourth proportional to 25,610,905,652.99, 38,418,295,971.95 and 7,926,372,013.19 is: 11,890,157,658.33
Step by Step Solution
- Step 1: Write the proportion equation
25,610,905,652.99 : 38,418,295,971.95 = 7,926,372,013.19 : x - Step 2: Convert to fraction form
25,610,905,652.99/38,418,295,971.95 = 7,926,372,013.19/x - Step 3: Cross multiply
25,610,905,652.99x = 38,418,295,971.95 × 7,926,372,013.19 - Step 4: Simplify right side
25,610,905,652.99x = 304,517,705,986,626,551,808 - Step 5: Solve for x
x = 304,517,705,986,626,551,808/25,610,905,652.99 - Step 6: Final answer
x = 11,890,157,658.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.