Finding the Fourth Proportional to 2,705,398,440.14, 3,733,449,766.49 and 1,499,736,631.20
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Solution
The fourth proportional to 2,705,398,440.14, 3,733,449,766.49 and 1,499,736,631.20 is: 2,069,636,506.21
Step by Step Solution
- Step 1: Write the proportion equation
2,705,398,440.14 : 3,733,449,766.49 = 1,499,736,631.20 : x - Step 2: Convert to fraction form
2,705,398,440.14/3,733,449,766.49 = 1,499,736,631.20/x - Step 3: Cross multiply
2,705,398,440.14x = 3,733,449,766.49 × 1,499,736,631.20 - Step 4: Simplify right side
2,705,398,440.14x = 5,599,191,375,544,909,824 - Step 5: Solve for x
x = 5,599,191,375,544,909,824/2,705,398,440.14 - Step 6: Final answer
x = 2,069,636,506.21
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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.