Finding the Fourth Proportional to 840,105,015.98, 1,260,157,523.97 and 226,688,257.58
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Solution
The fourth proportional to 840,105,015.98, 1,260,157,523.97 and 226,688,257.58 is: 340,032,386.37
Step by Step Solution
- Step 1: Write the proportion equation
840,105,015.98 : 1,260,157,523.97 = 226,688,257.58 : x - Step 2: Convert to fraction form
840,105,015.98/1,260,157,523.97 = 226,688,257.58/x - Step 3: Cross multiply
840,105,015.98x = 1,260,157,523.97 × 226,688,257.58 - Step 4: Simplify right side
840,105,015.98x = 285,662,913,385,086,400 - Step 5: Solve for x
x = 285,662,913,385,086,400/840,105,015.98 - Step 6: Final answer
x = 340,032,386.37
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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.