Finding the Fourth Proportional to 473,423,034.15, 653,343,963.84 and 264,579,170.65
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Solution
The fourth proportional to 473,423,034.15, 653,343,963.84 and 264,579,170.65 is: 365,130,531.54
Step by Step Solution
- Step 1: Write the proportion equation
473,423,034.15 : 653,343,963.84 = 264,579,170.65 : x - Step 2: Convert to fraction form
473,423,034.15/653,343,963.84 = 264,579,170.65/x - Step 3: Cross multiply
473,423,034.15x = 653,343,963.84 × 264,579,170.65 - Step 4: Simplify right side
473,423,034.15x = 172,861,204,100,337,440 - Step 5: Solve for x
x = 172,861,204,100,337,440/473,423,034.15 - Step 6: Final answer
x = 365,130,531.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.