Finding the Fourth Proportional to 2,331,054,163,211.70, 3,216,638,866,574.70 and 1,289,342,579,475
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Solution
The fourth proportional to 2,331,054,163,211.70, 3,216,638,866,574.70 and 1,289,342,579,475 is: 1,779,173,353,807.79
Step by Step Solution
- Step 1: Write the proportion equation
2,331,054,163,211.70 : 3,216,638,866,574.70 = 1,289,342,579,475 : x - Step 2: Convert to fraction form
2,331,054,163,211.70/3,216,638,866,574.70 = 1,289,342,579,475/x - Step 3: Cross multiply
2,331,054,163,211.70x = 3,216,638,866,574.70 × 1,289,342,579,475 - Step 4: Simplify right side
2,331,054,163,211.70x = 4,147,349,453,468,964,250,189,824 - Step 5: Solve for x
x = 4,147,349,453,468,964,250,189,824/2,331,054,163,211.70 - Step 6: Final answer
x = 1,779,173,353,807.79
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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.