Finding the Fourth Proportional to 404,929,529.55, 558,799,968.78 and 219,286,296.99
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Solution
The fourth proportional to 404,929,529.55, 558,799,968.78 and 219,286,296.99 is: 302,613,583.28
Step by Step Solution
- Step 1: Write the proportion equation
404,929,529.55 : 558,799,968.78 = 219,286,296.99 : x - Step 2: Convert to fraction form
404,929,529.55/558,799,968.78 = 219,286,296.99/x - Step 3: Cross multiply
404,929,529.55x = 558,799,968.78 × 219,286,296.99 - Step 4: Simplify right side
404,929,529.55x = 122,537,175,911,893,808 - Step 5: Solve for x
x = 122,537,175,911,893,808/404,929,529.55 - Step 6: Final answer
x = 302,613,583.28
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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.