Finding the Fourth Proportional to 983,421,022.60, 1,475,097,416.70 and 246,497,375.80
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Solution
The fourth proportional to 983,421,022.60, 1,475,097,416.70 and 246,497,375.80 is: 369,737,512.12
Step by Step Solution
- Step 1: Write the proportion equation
983,421,022.60 : 1,475,097,416.70 = 246,497,375.80 : x - Step 2: Convert to fraction form
983,421,022.60/1,475,097,416.70 = 246,497,375.80/x - Step 3: Cross multiply
983,421,022.60x = 1,475,097,416.70 × 246,497,375.80 - Step 4: Simplify right side
983,421,022.60x = 363,607,642,265,909,120 - Step 5: Solve for x
x = 363,607,642,265,909,120/983,421,022.60 - Step 6: Final answer
x = 369,737,512.12
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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.