Finding the Fourth Proportional to 712,971,349.24, 1,068,702,221.44 and 239,819,968
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Solution
The fourth proportional to 712,971,349.24, 1,068,702,221.44 and 239,819,968 is: 359,476,061.44
Step by Step Solution
- Step 1: Write the proportion equation
712,971,349.24 : 1,068,702,221.44 = 239,819,968 : x - Step 2: Convert to fraction form
712,971,349.24/1,068,702,221.44 = 239,819,968/x - Step 3: Cross multiply
712,971,349.24x = 1,068,702,221.44 × 239,819,968 - Step 4: Simplify right side
712,971,349.24x = 256,296,132,547,269,728 - Step 5: Solve for x
x = 256,296,132,547,269,728/712,971,349.24 - Step 6: Final answer
x = 359,476,061.44
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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.