Finding the Fourth Proportional to 669,953,115.73, 924,530,197.53 and 368,531,953.32
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Solution
The fourth proportional to 669,953,115.73, 924,530,197.53 and 368,531,953.32 is: 508,571,288.94
Step by Step Solution
- Step 1: Write the proportion equation
669,953,115.73 : 924,530,197.53 = 368,531,953.32 : x - Step 2: Convert to fraction form
669,953,115.73/924,530,197.53 = 368,531,953.32/x - Step 3: Cross multiply
669,953,115.73x = 924,530,197.53 × 368,531,953.32 - Step 4: Simplify right side
669,953,115.73x = 340,718,919,597,213,696 - Step 5: Solve for x
x = 340,718,919,597,213,696/669,953,115.73 - Step 6: Final answer
x = 508,571,288.94
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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.