Finding the Fourth Proportional to 9,422,976,989.70, 14,134,465,484.55 and 7,971,788,765.70
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Solution
The fourth proportional to 9,422,976,989.70, 14,134,465,484.55 and 7,971,788,765.70 is: 11,957,683,148.55
Step by Step Solution
- Step 1: Write the proportion equation
9,422,976,989.70 : 14,134,465,484.55 = 7,971,788,765.70 : x - Step 2: Convert to fraction form
9,422,976,989.70/14,134,465,484.55 = 7,971,788,765.70/x - Step 3: Cross multiply
9,422,976,989.70x = 14,134,465,484.55 × 7,971,788,765.70 - Step 4: Simplify right side
9,422,976,989.70x = 112,676,973,158,910,083,072 - Step 5: Solve for x
x = 112,676,973,158,910,083,072/9,422,976,989.70 - Step 6: Final answer
x = 11,957,683,148.55
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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.