Finding the Fourth Proportional to 531,442,451.70, 797,163,677.55 and 492,700,402.80
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Solution
The fourth proportional to 531,442,451.70, 797,163,677.55 and 492,700,402.80 is: 739,050,604.20
Step by Step Solution
- Step 1: Write the proportion equation
531,442,451.70 : 797,163,677.55 = 492,700,402.80 : x - Step 2: Convert to fraction form
531,442,451.70/797,163,677.55 = 492,700,402.80/x - Step 3: Cross multiply
531,442,451.70x = 797,163,677.55 × 492,700,402.80 - Step 4: Simplify right side
531,442,451.70x = 392,762,865,026,414,272 - Step 5: Solve for x
x = 392,762,865,026,414,272/531,442,451.70 - Step 6: Final answer
x = 739,050,604.20
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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.