Finding the Fourth Proportional to 335,908,973.99, 503,787,878.17 and 120,498,221.99
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Solution
The fourth proportional to 335,908,973.99, 503,787,878.17 and 120,498,221.99 is: 180,720,219.70
Step by Step Solution
- Step 1: Write the proportion equation
335,908,973.99 : 503,787,878.17 = 120,498,221.99 : x - Step 2: Convert to fraction form
335,908,973.99/503,787,878.17 = 120,498,221.99/x - Step 3: Cross multiply
335,908,973.99x = 503,787,878.17 × 120,498,221.99 - Step 4: Simplify right side
335,908,973.99x = 60,705,543,580,557,968 - Step 5: Solve for x
x = 60,705,543,580,557,968/335,908,973.99 - Step 6: Final answer
x = 180,720,219.70
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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.