Finding the Fourth Proportional to 862,962,798.24, 1,295,365,360.80 and 371,918,400.08
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Solution
The fourth proportional to 862,962,798.24, 1,295,365,360.80 and 371,918,400.08 is: 558,274,601.74
Step by Step Solution
- Step 1: Write the proportion equation
862,962,798.24 : 1,295,365,360.80 = 371,918,400.08 : x - Step 2: Convert to fraction form
862,962,798.24/1,295,365,360.80 = 371,918,400.08/x - Step 3: Cross multiply
862,962,798.24x = 1,295,365,360.80 × 371,918,400.08 - Step 4: Simplify right side
862,962,798.24x = 481,770,212,507,787,904 - Step 5: Solve for x
x = 481,770,212,507,787,904/862,962,798.24 - Step 6: Final answer
x = 558,274,601.74
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1.5x scale
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.