Finding the Fourth Proportional to 1,551,963,491.14, 2,327,923,313.99 and 722,453,177.47
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Solution
The fourth proportional to 1,551,963,491.14, 2,327,923,313.99 and 722,453,177.47 is: 1,083,669,560.97
Step by Step Solution
- Step 1: Write the proportion equation
1,551,963,491.14 : 2,327,923,313.99 = 722,453,177.47 : x - Step 2: Convert to fraction form
1,551,963,491.14/2,327,923,313.99 = 722,453,177.47/x - Step 3: Cross multiply
1,551,963,491.14x = 2,327,923,313.99 × 722,453,177.47 - Step 4: Simplify right side
1,551,963,491.14x = 1,681,815,595,083,316,224 - Step 5: Solve for x
x = 1,681,815,595,083,316,224/1,551,963,491.14 - Step 6: Final answer
x = 1,083,669,560.97
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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.