Finding the Fourth Proportional to 392,927,567.87, 588,165,217.76 and 289,413,655.96
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Solution
The fourth proportional to 392,927,567.87, 588,165,217.76 and 289,413,655.96 is: 433,217,366.00
Step by Step Solution
- Step 1: Write the proportion equation
392,927,567.87 : 588,165,217.76 = 289,413,655.96 : x - Step 2: Convert to fraction form
392,927,567.87/588,165,217.76 = 289,413,655.96/x - Step 3: Cross multiply
392,927,567.87x = 588,165,217.76 × 289,413,655.96 - Step 4: Simplify right side
392,927,567.87x = 170,223,045,980,431,104 - Step 5: Solve for x
x = 170,223,045,980,431,104/392,927,567.87 - Step 6: Final answer
x = 433,217,366.00
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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.