Finding the Fourth Proportional to 2,116,933,620.09, 2,921,734,056.36 and 1,225,351,938.63
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Solution
The fourth proportional to 2,116,933,620.09, 2,921,734,056.36 and 1,225,351,938.63 is: 1,691,197,331.91
Step by Step Solution
- Step 1: Write the proportion equation
2,116,933,620.09 : 2,921,734,056.36 = 1,225,351,938.63 : x - Step 2: Convert to fraction form
2,116,933,620.09/2,921,734,056.36 = 1,225,351,938.63/x - Step 3: Cross multiply
2,116,933,620.09x = 2,921,734,056.36 × 1,225,351,938.63 - Step 4: Simplify right side
2,116,933,620.09x = 3,580,152,490,122,020,352 - Step 5: Solve for x
x = 3,580,152,490,122,020,352/2,116,933,620.09 - Step 6: Final answer
x = 1,691,197,331.91
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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.