Finding the Fourth Proportional to 560,906,354.59, 841,319,673.80 and 172,688,704.09
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Solution
The fourth proportional to 560,906,354.59, 841,319,673.80 and 172,688,704.09 is: 259,020,784.85
Step by Step Solution
- Step 1: Write the proportion equation
560,906,354.59 : 841,319,673.80 = 172,688,704.09 : x - Step 2: Convert to fraction form
560,906,354.59/841,319,673.80 = 172,688,704.09/x - Step 3: Cross multiply
560,906,354.59x = 841,319,673.80 × 172,688,704.09 - Step 4: Simplify right side
560,906,354.59x = 145,286,404,193,943,520 - Step 5: Solve for x
x = 145,286,404,193,943,520/560,906,354.59 - Step 6: Final answer
x = 259,020,784.85
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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.