Finding the Fourth Proportional to 757,081,774.86, 1,044,774,294.84 and 417,990,906.24
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Solution
The fourth proportional to 757,081,774.86, 1,044,774,294.84 and 417,990,906.24 is: 576,828,248.70
Step by Step Solution
- Step 1: Write the proportion equation
757,081,774.86 : 1,044,774,294.84 = 417,990,906.24 : x - Step 2: Convert to fraction form
757,081,774.86/1,044,774,294.84 = 417,990,906.24/x - Step 3: Cross multiply
757,081,774.86x = 1,044,774,294.84 × 417,990,906.24 - Step 4: Simplify right side
757,081,774.86x = 436,706,154,316,428,608 - Step 5: Solve for x
x = 436,706,154,316,428,608/757,081,774.86 - Step 6: Final answer
x = 576,828,248.70
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1.5x scale
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.