Finding the Fourth Proportional to 380,415,303,591.08, 524,973,456,664.26 and 209,140,149,111.08
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Solution
The fourth proportional to 380,415,303,591.08, 524,973,456,664.26 and 209,140,149,111.08 is: 288,613,591,434.65
Step by Step Solution
- Step 1: Write the proportion equation
380,415,303,591.08 : 524,973,456,664.26 = 209,140,149,111.08 : x - Step 2: Convert to fraction form
380,415,303,591.08/524,973,456,664.26 = 209,140,149,111.08/x - Step 3: Cross multiply
380,415,303,591.08x = 524,973,456,664.26 × 209,140,149,111.08 - Step 4: Simplify right side
380,415,303,591.08x = 109,793,027,006,122,428,465,152 - Step 5: Solve for x
x = 109,793,027,006,122,428,465,152/380,415,303,591.08 - Step 6: Final answer
x = 288,613,591,434.65
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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.