Finding the Fourth Proportional to 445,641,786,270.42, 668,501,185,569.55 and 122,944,599,820.09
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Solution
The fourth proportional to 445,641,786,270.42, 668,501,185,569.55 and 122,944,599,820.09 is: 184,427,522,892.19
Step by Step Solution
- Step 1: Write the proportion equation
445,641,786,270.42 : 668,501,185,569.55 = 122,944,599,820.09 : x - Step 2: Convert to fraction form
445,641,786,270.42/668,501,185,569.55 = 122,944,599,820.09/x - Step 3: Cross multiply
445,641,786,270.42x = 668,501,185,569.55 × 122,944,599,820.09 - Step 4: Simplify right side
445,641,786,270.42x = 82,188,610,739,104,049,528,832 - Step 5: Solve for x
x = 82,188,610,739,104,049,528,832/445,641,786,270.42 - Step 6: Final answer
x = 184,427,522,892.19
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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.