Finding the Fourth Proportional to 697,919,625.27, 963,166,958.64 and 400,559,490.09
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Solution
The fourth proportional to 697,919,625.27, 963,166,958.64 and 400,559,490.09 is: 552,793,834.50
Step by Step Solution
- Step 1: Write the proportion equation
697,919,625.27 : 963,166,958.64 = 400,559,490.09 : x - Step 2: Convert to fraction form
697,919,625.27/963,166,958.64 = 400,559,490.09/x - Step 3: Cross multiply
697,919,625.27x = 963,166,958.64 × 400,559,490.09 - Step 4: Simplify right side
697,919,625.27x = 385,805,665,824,374,464 - Step 5: Solve for x
x = 385,805,665,824,374,464/697,919,625.27 - Step 6: Final answer
x = 552,793,834.50
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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.