Finding the Fourth Proportional to 436,348,643.49, 602,173,904.94 and 238,122,911.03
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Solution
The fourth proportional to 436,348,643.49, 602,173,904.94 and 238,122,911.03 is: 328,616,589.80
Step by Step Solution
- Step 1: Write the proportion equation
436,348,643.49 : 602,173,904.94 = 238,122,911.03 : x - Step 2: Convert to fraction form
436,348,643.49/602,173,904.94 = 238,122,911.03/x - Step 3: Cross multiply
436,348,643.49x = 602,173,904.94 × 238,122,911.03 - Step 4: Simplify right side
436,348,643.49x = 143,391,403,187,604,448 - Step 5: Solve for x
x = 143,391,403,187,604,448/436,348,643.49 - Step 6: Final answer
x = 328,616,589.80
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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.