Finding the Fourth Proportional to 906,746,408.19, 1,360,115,128.89 and 354,104,958.24
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Solution
The fourth proportional to 906,746,408.19, 1,360,115,128.89 and 354,104,958.24 is: 531,155,686.49
Step by Step Solution
- Step 1: Write the proportion equation
906,746,408.19 : 1,360,115,128.89 = 354,104,958.24 : x - Step 2: Convert to fraction form
906,746,408.19/1,360,115,128.89 = 354,104,958.24/x - Step 3: Cross multiply
906,746,408.19x = 1,360,115,128.89 × 354,104,958.24 - Step 4: Simplify right side
906,746,408.19x = 481,623,510,917,185,728 - Step 5: Solve for x
x = 481,623,510,917,185,728/906,746,408.19 - Step 6: Final answer
x = 531,155,686.49
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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.