Finding the Fourth Proportional to 974,422,304.99, 1,461,719,381.10 and 274,920,560.99
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Solution
The fourth proportional to 974,422,304.99, 1,461,719,381.10 and 274,920,560.99 is: 412,405,083.71
Step by Step Solution
- Step 1: Write the proportion equation
974,422,304.99 : 1,461,719,381.10 = 274,920,560.99 : x - Step 2: Convert to fraction form
974,422,304.99/1,461,719,381.10 = 274,920,560.99/x - Step 3: Cross multiply
974,422,304.99x = 1,461,719,381.10 × 274,920,560.99 - Step 4: Simplify right side
974,422,304.99x = 401,856,712,261,967,616 - Step 5: Solve for x
x = 401,856,712,261,967,616/974,422,304.99 - Step 6: Final answer
x = 412,405,083.71
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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.