Finding the Fourth Proportional to 739,956,071.60, 1,021,056,993.12 and 409,848,542
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Solution
The fourth proportional to 739,956,071.60, 1,021,056,993.12 and 409,848,542 is: 565,545,355.99
Step by Step Solution
- Step 1: Write the proportion equation
739,956,071.60 : 1,021,056,993.12 = 409,848,542 : x - Step 2: Convert to fraction form
739,956,071.60/1,021,056,993.12 = 409,848,542/x - Step 3: Cross multiply
739,956,071.60x = 1,021,056,993.12 × 409,848,542 - Step 4: Simplify right side
739,956,071.60x = 418,478,719,929,136,064 - Step 5: Solve for x
x = 418,478,719,929,136,064/739,956,071.60 - Step 6: Final answer
x = 565,545,355.99
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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.