Finding the Fourth Proportional to 397,156,901.80, 595,735,352.70 and 109,942,565.80
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Solution
The fourth proportional to 397,156,901.80, 595,735,352.70 and 109,942,565.80 is: 164,913,848.70
Step by Step Solution
- Step 1: Write the proportion equation
397,156,901.80 : 595,735,352.70 = 109,942,565.80 : x - Step 2: Convert to fraction form
397,156,901.80/595,735,352.70 = 109,942,565.80/x - Step 3: Cross multiply
397,156,901.80x = 595,735,352.70 × 109,942,565.80 - Step 4: Simplify right side
397,156,901.80x = 65,496,673,213,605,960 - Step 5: Solve for x
x = 65,496,673,213,605,960/397,156,901.80 - Step 6: Final answer
x = 164,913,848.70
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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.