Finding the Fourth Proportional to 761,366,616.24, 1,051,030,203.05 and 479,523,266.55
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Solution
The fourth proportional to 761,366,616.24, 1,051,030,203.05 and 479,523,266.55 is: 661,958,937.34
Step by Step Solution
- Step 1: Write the proportion equation
761,366,616.24 : 1,051,030,203.05 = 479,523,266.55 : x - Step 2: Convert to fraction form
761,366,616.24/1,051,030,203.05 = 479,523,266.55/x - Step 3: Cross multiply
761,366,616.24x = 1,051,030,203.05 × 479,523,266.55 - Step 4: Simplify right side
761,366,616.24x = 503,993,436,211,873,344 - Step 5: Solve for x
x = 503,993,436,211,873,344/761,366,616.24 - Step 6: Final answer
x = 661,958,937.34
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1.5x scale
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.