Finding the Fourth Proportional to 901,593,319.56, 1,244,168,699.49 and 499,689,941.87
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Solution
The fourth proportional to 901,593,319.56, 1,244,168,699.49 and 499,689,941.87 is: 689,555,447.71
Step by Step Solution
- Step 1: Write the proportion equation
901,593,319.56 : 1,244,168,699.49 = 499,689,941.87 : x - Step 2: Convert to fraction form
901,593,319.56/1,244,168,699.49 = 499,689,941.87/x - Step 3: Cross multiply
901,593,319.56x = 1,244,168,699.49 × 499,689,941.87 - Step 4: Simplify right side
901,593,319.56x = 621,698,585,118,410,752 - Step 5: Solve for x
x = 621,698,585,118,410,752/901,593,319.56 - Step 6: Final answer
x = 689,555,447.71
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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.