Finding the Fourth Proportional to 266,118,545.10, 399,177,817.65 and 194,454,929.10
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Solution
The fourth proportional to 266,118,545.10, 399,177,817.65 and 194,454,929.10 is: 291,682,393.65
Step by Step Solution
- Step 1: Write the proportion equation
266,118,545.10 : 399,177,817.65 = 194,454,929.10 : x - Step 2: Convert to fraction form
266,118,545.10/399,177,817.65 = 194,454,929.10/x - Step 3: Cross multiply
266,118,545.10x = 399,177,817.65 × 194,454,929.10 - Step 4: Simplify right side
266,118,545.10x = 77,622,094,229,423,472 - Step 5: Solve for x
x = 77,622,094,229,423,472/266,118,545.10 - Step 6: Final answer
x = 291,682,393.65
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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.