Finding the Fourth Proportional to 531,442,486.20, 797,163,729.30 and 492,700,437.30
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Solution
The fourth proportional to 531,442,486.20, 797,163,729.30 and 492,700,437.30 is: 739,050,655.95
Step by Step Solution
- Step 1: Write the proportion equation
531,442,486.20 : 797,163,729.30 = 492,700,437.30 : x - Step 2: Convert to fraction form
531,442,486.20/797,163,729.30 = 492,700,437.30/x - Step 3: Cross multiply
531,442,486.20x = 797,163,729.30 × 492,700,437.30 - Step 4: Simplify right side
531,442,486.20x = 392,762,918,025,808,832 - Step 5: Solve for x
x = 392,762,918,025,808,832/531,442,486.20 - Step 6: Final answer
x = 739,050,655.95
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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.