Finding the Fourth Proportional to 498,325,611.70, 747,488,417.55 and 239,478,415.30
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Solution
The fourth proportional to 498,325,611.70, 747,488,417.55 and 239,478,415.30 is: 359,217,622.95
Step by Step Solution
- Step 1: Write the proportion equation
498,325,611.70 : 747,488,417.55 = 239,478,415.30 : x - Step 2: Convert to fraction form
498,325,611.70/747,488,417.55 = 239,478,415.30/x - Step 3: Cross multiply
498,325,611.70x = 747,488,417.55 × 239,478,415.30 - Step 4: Simplify right side
498,325,611.70x = 179,007,341,689,978,720 - Step 5: Solve for x
x = 179,007,341,689,978,720/498,325,611.70 - Step 6: Final answer
x = 359,217,622.95
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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.