Finding the Fourth Proportional to 707,278,181.34, 968,974,565.75 and 680,769,556.62
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Solution
The fourth proportional to 707,278,181.34, 968,974,565.75 and 680,769,556.62 is: 932,657,620.30
Step by Step Solution
- Step 1: Write the proportion equation
707,278,181.34 : 968,974,565.75 = 680,769,556.62 : x - Step 2: Convert to fraction form
707,278,181.34/968,974,565.75 = 680,769,556.62/x - Step 3: Cross multiply
707,278,181.34x = 968,974,565.75 × 680,769,556.62 - Step 4: Simplify right side
707,278,181.34x = 659,648,385,501,684,480 - Step 5: Solve for x
x = 659,648,385,501,684,480/707,278,181.34 - Step 6: Final answer
x = 932,657,620.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.