Finding the Fourth Proportional to 1,509,361,240.97, 2,265,076,043.99 and 526,787,780.13
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Solution
The fourth proportional to 1,509,361,240.97, 2,265,076,043.99 and 526,787,780.13 is: 790,542,614.09
Step by Step Solution
- Step 1: Write the proportion equation
1,509,361,240.97 : 2,265,076,043.99 = 526,787,780.13 : x - Step 2: Convert to fraction form
1,509,361,240.97/2,265,076,043.99 = 526,787,780.13/x - Step 3: Cross multiply
1,509,361,240.97x = 2,265,076,043.99 × 526,787,780.13 - Step 4: Simplify right side
1,509,361,240.97x = 1,193,214,381,039,134,208 - Step 5: Solve for x
x = 1,193,214,381,039,134,208/1,509,361,240.97 - Step 6: Final answer
x = 790,542,614.09
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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.