Finding the Fourth Proportional to 9,744,623,136.80, 13,447,231,926.12 and 5,515,444,215.75
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Solution
The fourth proportional to 9,744,623,136.80, 13,447,231,926.12 and 5,515,444,215.75 is: 7,611,116,048.68
Step by Step Solution
- Step 1: Write the proportion equation
9,744,623,136.80 : 13,447,231,926.12 = 5,515,444,215.75 : x - Step 2: Convert to fraction form
9,744,623,136.80/13,447,231,926.12 = 5,515,444,215.75/x - Step 3: Cross multiply
9,744,623,136.80x = 13,447,231,926.12 × 5,515,444,215.75 - Step 4: Simplify right side
9,744,623,136.80x = 74,167,457,544,767,291,392 - Step 5: Solve for x
x = 74,167,457,544,767,291,392/9,744,623,136.80 - Step 6: Final answer
x = 7,611,116,048.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.