Finding the Fourth Proportional to 1,720,727,877.30, 2,581,087,879.32 and 737,516,887.62
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Solution
The fourth proportional to 1,720,727,877.30, 2,581,087,879.32 and 737,516,887.62 is: 1,106,273,644.16
Step by Step Solution
- Step 1: Write the proportion equation
1,720,727,877.30 : 2,581,087,879.32 = 737,516,887.62 : x - Step 2: Convert to fraction form
1,720,727,877.30/2,581,087,879.32 = 737,516,887.62/x - Step 3: Cross multiply
1,720,727,877.30x = 2,581,087,879.32 × 737,516,887.62 - Step 4: Simplify right side
1,720,727,877.30x = 1,903,595,899,429,792,768 - Step 5: Solve for x
x = 1,903,595,899,429,792,768/1,720,727,877.30 - Step 6: Final answer
x = 1,106,273,644.16
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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.