Finding the Fourth Proportional to 415,477,595.39, 573,342,138.50 and 239,272,230.11
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Solution
The fourth proportional to 415,477,595.39, 573,342,138.50 and 239,272,230.11 is: 330,185,920.05
Step by Step Solution
- Step 1: Write the proportion equation
415,477,595.39 : 573,342,138.50 = 239,272,230.11 : x - Step 2: Convert to fraction form
415,477,595.39/573,342,138.50 = 239,272,230.11/x - Step 3: Cross multiply
415,477,595.39x = 573,342,138.50 × 239,272,230.11 - Step 4: Simplify right side
415,477,595.39x = 137,184,852,090,868,416 - Step 5: Solve for x
x = 137,184,852,090,868,416/415,477,595.39 - Step 6: Final answer
x = 330,185,920.05
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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.