Finding the Fourth Proportional to 669,953,458.61, 924,530,670.45 and 368,532,296.21
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Solution
The fourth proportional to 669,953,458.61, 924,530,670.45 and 368,532,296.21 is: 508,571,761.99
Step by Step Solution
- Step 1: Write the proportion equation
669,953,458.61 : 924,530,670.45 = 368,532,296.21 : x - Step 2: Convert to fraction form
669,953,458.61/924,530,670.45 = 368,532,296.21/x - Step 3: Cross multiply
669,953,458.61x = 924,530,670.45 × 368,532,296.21 - Step 4: Simplify right side
669,953,458.61x = 340,719,410,892,886,656 - Step 5: Solve for x
x = 340,719,410,892,886,656/669,953,458.61 - Step 6: Final answer
x = 508,571,761.99
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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.