Finding the Fourth Proportional to 1,415,919,627.40, 1,953,349,212.12 and 1,350,273,377.56
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Solution
The fourth proportional to 1,415,919,627.40, 1,953,349,212.12 and 1,350,273,377.56 is: 1,862,786,126.53
Step by Step Solution
- Step 1: Write the proportion equation
1,415,919,627.40 : 1,953,349,212.12 = 1,350,273,377.56 : x - Step 2: Convert to fraction form
1,415,919,627.40/1,953,349,212.12 = 1,350,273,377.56/x - Step 3: Cross multiply
1,415,919,627.40x = 1,953,349,212.12 × 1,350,273,377.56 - Step 4: Simplify right side
1,415,919,627.40x = 2,637,555,438,203,437,056 - Step 5: Solve for x
x = 2,637,555,438,203,437,056/1,415,919,627.40 - Step 6: Final answer
x = 1,862,786,126.53
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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.