Finding the Fourth Proportional to 901,593,318.06, 1,244,168,697.42 and 499,689,940.37
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Solution
The fourth proportional to 901,593,318.06, 1,244,168,697.42 and 499,689,940.37 is: 689,555,445.64
Step by Step Solution
- Step 1: Write the proportion equation
901,593,318.06 : 1,244,168,697.42 = 499,689,940.37 : x - Step 2: Convert to fraction form
901,593,318.06/1,244,168,697.42 = 499,689,940.37/x - Step 3: Cross multiply
901,593,318.06x = 1,244,168,697.42 × 499,689,940.37 - Step 4: Simplify right side
901,593,318.06x = 621,698,582,217,799,552 - Step 5: Solve for x
x = 621,698,582,217,799,552/901,593,318.06 - Step 6: Final answer
x = 689,555,445.64
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1.5x scale
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.