Finding the Fourth Proportional to 879,164,735.24, 1,318,467,118.19 and 288,817,943.01
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Solution
The fourth proportional to 879,164,735.24, 1,318,467,118.19 and 288,817,943.01 is: 433,134,935.63
Step by Step Solution
- Step 1: Write the proportion equation
879,164,735.24 : 1,318,467,118.19 = 288,817,943.01 : x - Step 2: Convert to fraction form
879,164,735.24/1,318,467,118.19 = 288,817,943.01/x - Step 3: Cross multiply
879,164,735.24x = 1,318,467,118.19 × 288,817,943.01 - Step 4: Simplify right side
879,164,735.24x = 380,796,961,000,514,240 - Step 5: Solve for x
x = 380,796,961,000,514,240/879,164,735.24 - Step 6: Final answer
x = 433,134,935.63
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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.