Finding the Fourth Proportional to 330,352,742.97, 494,451,271.49 and 242,891,070.03
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Solution
The fourth proportional to 330,352,742.97, 494,451,271.49 and 242,891,070.03 is: 363,544,123.56
Step by Step Solution
- Step 1: Write the proportion equation
330,352,742.97 : 494,451,271.49 = 242,891,070.03 : x - Step 2: Convert to fraction form
330,352,742.97/494,451,271.49 = 242,891,070.03/x - Step 3: Cross multiply
330,352,742.97x = 494,451,271.49 × 242,891,070.03 - Step 4: Simplify right side
330,352,742.97x = 120,097,798,409,900,128 - Step 5: Solve for x
x = 120,097,798,409,900,128/330,352,742.97 - Step 6: Final answer
x = 363,544,123.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.