Finding the Fourth Proportional to 9,657,793,215.20, 14,486,689,822.80 and 8,433,353,151.20
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Solution
The fourth proportional to 9,657,793,215.20, 14,486,689,822.80 and 8,433,353,151.20 is: 12,650,029,726.80
Step by Step Solution
- Step 1: Write the proportion equation
9,657,793,215.20 : 14,486,689,822.80 = 8,433,353,151.20 : x - Step 2: Convert to fraction form
9,657,793,215.20/14,486,689,822.80 = 8,433,353,151.20/x - Step 3: Cross multiply
9,657,793,215.20x = 14,486,689,822.80 × 8,433,353,151.20 - Step 4: Simplify right side
9,657,793,215.20x = 122,171,371,267,567,337,472 - Step 5: Solve for x
x = 122,171,371,267,567,337,472/9,657,793,215.20 - Step 6: Final answer
x = 12,650,029,726.80
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Double scale
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Similar ratio
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1.5x scale
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.