Finding the Fourth Proportional to 658,893,204.12, 909,353,259 and 380,434,260.18
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Solution
The fourth proportional to 658,893,204.12, 909,353,259 and 380,434,260.18 is: 525,045,837.73
Step by Step Solution
- Step 1: Write the proportion equation
658,893,204.12 : 909,353,259 = 380,434,260.18 : x - Step 2: Convert to fraction form
658,893,204.12/909,353,259 = 380,434,260.18/x - Step 3: Cross multiply
658,893,204.12x = 909,353,259 × 380,434,260.18 - Step 4: Simplify right side
658,893,204.12x = 345,949,134,329,936,960 - Step 5: Solve for x
x = 345,949,134,329,936,960/658,893,204.12 - Step 6: Final answer
x = 525,045,837.73
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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.