Finding the Fourth Proportional to 607,319,734.88, 838,105,214.28 and 328,861,272.08
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Solution
The fourth proportional to 607,319,734.88, 838,105,214.28 and 328,861,272.08 is: 453,830,710.70
Step by Step Solution
- Step 1: Write the proportion equation
607,319,734.88 : 838,105,214.28 = 328,861,272.08 : x - Step 2: Convert to fraction form
607,319,734.88/838,105,214.28 = 328,861,272.08/x - Step 3: Cross multiply
607,319,734.88x = 838,105,214.28 × 328,861,272.08 - Step 4: Simplify right side
607,319,734.88x = 275,620,346,905,001,760 - Step 5: Solve for x
x = 275,620,346,905,001,760/607,319,734.88 - Step 6: Final answer
x = 453,830,710.70
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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.