Finding the Fourth Proportional to 493,556,634.21, 740,327,477.98 and 120,068,037.10
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Solution
The fourth proportional to 493,556,634.21, 740,327,477.98 and 120,068,037.10 is: 180,100,237.60
Step by Step Solution
- Step 1: Write the proportion equation
493,556,634.21 : 740,327,477.98 = 120,068,037.10 : x - Step 2: Convert to fraction form
493,556,634.21/740,327,477.98 = 120,068,037.10/x - Step 3: Cross multiply
493,556,634.21x = 740,327,477.98 × 120,068,037.10 - Step 4: Simplify right side
493,556,634.21x = 88,889,667,090,101,072 - Step 5: Solve for x
x = 88,889,667,090,101,072/493,556,634.21 - Step 6: Final answer
x = 180,100,237.60
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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.