Finding the Fourth Proportional to 559,488,015.80, 839,232,023.70 and 523,656,207.80
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Solution
The fourth proportional to 559,488,015.80, 839,232,023.70 and 523,656,207.80 is: 785,484,311.70
Step by Step Solution
- Step 1: Write the proportion equation
559,488,015.80 : 839,232,023.70 = 523,656,207.80 : x - Step 2: Convert to fraction form
559,488,015.80/839,232,023.70 = 523,656,207.80/x - Step 3: Cross multiply
559,488,015.80x = 839,232,023.70 × 523,656,207.80 - Step 4: Simplify right side
559,488,015.80x = 439,469,058,995,061,760 - Step 5: Solve for x
x = 439,469,058,995,061,760/559,488,015.80 - Step 6: Final answer
x = 785,484,311.70
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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.