Finding the Fourth Proportional to 559,656,812.16, 772,327,431.36 and 312,154,119.36
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Solution
The fourth proportional to 559,656,812.16, 772,327,431.36 and 312,154,119.36 is: 430,773,259.53
Step by Step Solution
- Step 1: Write the proportion equation
559,656,812.16 : 772,327,431.36 = 312,154,119.36 : x - Step 2: Convert to fraction form
559,656,812.16/772,327,431.36 = 312,154,119.36/x - Step 3: Cross multiply
559,656,812.16x = 772,327,431.36 × 312,154,119.36 - Step 4: Simplify right side
559,656,812.16x = 241,085,189,193,751,648 - Step 5: Solve for x
x = 241,085,189,193,751,648/559,656,812.16 - Step 6: Final answer
x = 430,773,259.53
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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.