Finding the Fourth Proportional to 876,159,573.63, 1,313,814,207.60 and 439,272,556.35
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Solution
The fourth proportional to 876,159,573.63, 1,313,814,207.60 and 439,272,556.35 is: 658,695,679.32
Step by Step Solution
- Step 1: Write the proportion equation
876,159,573.63 : 1,313,814,207.60 = 439,272,556.35 : x - Step 2: Convert to fraction form
876,159,573.63/1,313,814,207.60 = 439,272,556.35/x - Step 3: Cross multiply
876,159,573.63x = 1,313,814,207.60 × 439,272,556.35 - Step 4: Simplify right side
876,159,573.63x = 577,122,525,541,401,600 - Step 5: Solve for x
x = 577,122,525,541,401,600/876,159,573.63 - Step 6: Final answer
x = 658,695,679.32
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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.