Finding the Fourth Proportional to 607,259,298.78, 911,225,063.81 and 296,369,489.99
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Solution
The fourth proportional to 607,259,298.78, 911,225,063.81 and 296,369,489.99 is: 444,718,274.34
Step by Step Solution
- Step 1: Write the proportion equation
607,259,298.78 : 911,225,063.81 = 296,369,489.99 : x - Step 2: Convert to fraction form
607,259,298.78/911,225,063.81 = 296,369,489.99/x - Step 3: Cross multiply
607,259,298.78x = 911,225,063.81 × 296,369,489.99 - Step 4: Simplify right side
607,259,298.78x = 270,059,307,427,474,912 - Step 5: Solve for x
x = 270,059,307,427,474,912/607,259,298.78 - Step 6: Final answer
x = 444,718,274.34
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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.