Finding the Fourth Proportional to 771,534,157.26, 1,064,590,924.74 and 454,261,769.82
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Solution
The fourth proportional to 771,534,157.26, 1,064,590,924.74 and 454,261,769.82 is: 626,806,931.43
Step by Step Solution
- Step 1: Write the proportion equation
771,534,157.26 : 1,064,590,924.74 = 454,261,769.82 : x - Step 2: Convert to fraction form
771,534,157.26/1,064,590,924.74 = 454,261,769.82/x - Step 3: Cross multiply
771,534,157.26x = 1,064,590,924.74 × 454,261,769.82 - Step 4: Simplify right side
771,534,157.26x = 483,602,957,606,702,848 - Step 5: Solve for x
x = 483,602,957,606,702,848/771,534,157.26 - Step 6: Final answer
x = 626,806,931.43
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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.