Finding the Fourth Proportional to 879,433,272.10, 1,320,451,610.55 and 492,029,841.70
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Solution
The fourth proportional to 879,433,272.10, 1,320,451,610.55 and 492,029,841.70 is: 738,773,045.69
Step by Step Solution
- Step 1: Write the proportion equation
879,433,272.10 : 1,320,451,610.55 = 492,029,841.70 : x - Step 2: Convert to fraction form
879,433,272.10/1,320,451,610.55 = 492,029,841.70/x - Step 3: Cross multiply
879,433,272.10x = 1,320,451,610.55 × 492,029,841.70 - Step 4: Simplify right side
879,433,272.10x = 649,701,596,911,426,560 - Step 5: Solve for x
x = 649,701,596,911,426,560/879,433,272.10 - Step 6: Final answer
x = 738,773,045.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.