Finding the Fourth Proportional to 579,714,225.30, 869,273,468.55 and 170,717,231.70
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Solution
The fourth proportional to 579,714,225.30, 869,273,468.55 and 170,717,231.70 is: 255,988,129.43
Step by Step Solution
- Step 1: Write the proportion equation
579,714,225.30 : 869,273,468.55 = 170,717,231.70 : x - Step 2: Convert to fraction form
579,714,225.30/869,273,468.55 = 170,717,231.70/x - Step 3: Cross multiply
579,714,225.30x = 869,273,468.55 × 170,717,231.70 - Step 4: Simplify right side
579,714,225.30x = 148,399,960,141,112,992 - Step 5: Solve for x
x = 148,399,960,141,112,992/579,714,225.30 - Step 6: Final answer
x = 255,988,129.43
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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.