Finding the Fourth Proportional to 1,062,886,232.20, 1,594,329,348.30 and 787,387,217.80
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Solution
The fourth proportional to 1,062,886,232.20, 1,594,329,348.30 and 787,387,217.80 is: 1,181,080,826.70
Step by Step Solution
- Step 1: Write the proportion equation
1,062,886,232.20 : 1,594,329,348.30 = 787,387,217.80 : x - Step 2: Convert to fraction form
1,062,886,232.20/1,594,329,348.30 = 787,387,217.80/x - Step 3: Cross multiply
1,062,886,232.20x = 1,594,329,348.30 × 787,387,217.80 - Step 4: Simplify right side
1,062,886,232.20x = 1,255,354,549,814,823,936 - Step 5: Solve for x
x = 1,255,354,549,814,823,936/1,062,886,232.20 - Step 6: Final answer
x = 1,181,080,826.70
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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.