Finding the Fourth Proportional to 5,321,600,579.36, 7,343,856,382.84 and 2,942,898,564.02
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Solution
The fourth proportional to 5,321,600,579.36, 7,343,856,382.84 and 2,942,898,564.02 is: 4,061,226,332.40
Step by Step Solution
- Step 1: Write the proportion equation
5,321,600,579.36 : 7,343,856,382.84 = 2,942,898,564.02 : x - Step 2: Convert to fraction form
5,321,600,579.36/7,343,856,382.84 = 2,942,898,564.02/x - Step 3: Cross multiply
5,321,600,579.36x = 7,343,856,382.84 × 2,942,898,564.02 - Step 4: Simplify right side
5,321,600,579.36x = 21,612,224,403,428,945,920 - Step 5: Solve for x
x = 21,612,224,403,428,945,920/5,321,600,579.36 - Step 6: Final answer
x = 4,061,226,332.40
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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.