Finding the Fourth Proportional to 403,393,476.99, 556,668,301.13 and 224,768,136.07
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Solution
The fourth proportional to 403,393,476.99, 556,668,301.13 and 224,768,136.07 is: 310,171,838.64
Step by Step Solution
- Step 1: Write the proportion equation
403,393,476.99 : 556,668,301.13 = 224,768,136.07 : x - Step 2: Convert to fraction form
403,393,476.99/556,668,301.13 = 224,768,136.07/x - Step 3: Cross multiply
403,393,476.99x = 556,668,301.13 × 224,768,136.07 - Step 4: Simplify right side
403,393,476.99x = 125,121,296,452,851,904 - Step 5: Solve for x
x = 125,121,296,452,851,904/403,393,476.99 - Step 6: Final answer
x = 310,171,838.64
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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.