Finding the Fourth Proportional to 559,656,912.16, 772,327,569.36 and 312,154,219.36
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Solution
The fourth proportional to 559,656,912.16, 772,327,569.36 and 312,154,219.36 is: 430,773,397.53
Step by Step Solution
- Step 1: Write the proportion equation
559,656,912.16 : 772,327,569.36 = 312,154,219.36 : x - Step 2: Convert to fraction form
559,656,912.16/772,327,569.36 = 312,154,219.36/x - Step 3: Cross multiply
559,656,912.16x = 772,327,569.36 × 312,154,219.36 - Step 4: Simplify right side
559,656,912.16x = 241,085,309,503,777,056 - Step 5: Solve for x
x = 241,085,309,503,777,056/559,656,912.16 - Step 6: Final answer
x = 430,773,397.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.