Finding the Fourth Proportional to 1,731,538,212.94, 2,597,270,930.45 and 421,447,574.44
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Solution
The fourth proportional to 1,731,538,212.94, 2,597,270,930.45 and 421,447,574.44 is: 632,162,504.77
Step by Step Solution
- Step 1: Write the proportion equation
1,731,538,212.94 : 2,597,270,930.45 = 421,447,574.44 : x - Step 2: Convert to fraction form
1,731,538,212.94/2,597,270,930.45 = 421,447,574.44/x - Step 3: Cross multiply
1,731,538,212.94x = 2,597,270,930.45 × 421,447,574.44 - Step 4: Simplify right side
1,731,538,212.94x = 1,094,613,533,788,688,000 - Step 5: Solve for x
x = 1,094,613,533,788,688,000/1,731,538,212.94 - Step 6: Final answer
x = 632,162,504.77
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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.