Finding the Fourth Proportional to 881,375,575.84, 1,216,298,239.08 and 484,890,059.63
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Solution
The fourth proportional to 881,375,575.84, 1,216,298,239.08 and 484,890,059.63 is: 669,148,251.71
Step by Step Solution
- Step 1: Write the proportion equation
881,375,575.84 : 1,216,298,239.08 = 484,890,059.63 : x - Step 2: Convert to fraction form
881,375,575.84/1,216,298,239.08 = 484,890,059.63/x - Step 3: Cross multiply
881,375,575.84x = 1,216,298,239.08 × 484,890,059.63 - Step 4: Simplify right side
881,375,575.84x = 589,770,925,675,365,120 - Step 5: Solve for x
x = 589,770,925,675,365,120/881,375,575.84 - Step 6: Final answer
x = 669,148,251.71
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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.