Finding the Fourth Proportional to 728,482,169.97, 1,092,184,727.54 and 378,225,350.37
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Solution
The fourth proportional to 728,482,169.97, 1,092,184,727.54 and 378,225,350.37 is: 567,058,424.03
Step by Step Solution
- Step 1: Write the proportion equation
728,482,169.97 : 1,092,184,727.54 = 378,225,350.37 : x - Step 2: Convert to fraction form
728,482,169.97/1,092,184,727.54 = 378,225,350.37/x - Step 3: Cross multiply
728,482,169.97x = 1,092,184,727.54 × 378,225,350.37 - Step 4: Simplify right side
728,482,169.97x = 413,091,951,240,688,384 - Step 5: Solve for x
x = 413,091,951,240,688,384/728,482,169.97 - Step 6: Final answer
x = 567,058,424.03
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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.