Finding the Fourth Proportional to 805,434,268.86, 1,110,869,536.23 and 523,267,645.50
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Solution
The fourth proportional to 805,434,268.86, 1,110,869,536.23 and 523,267,645.50 is: 721,700,217.08
Step by Step Solution
- Step 1: Write the proportion equation
805,434,268.86 : 1,110,869,536.23 = 523,267,645.50 : x - Step 2: Convert to fraction form
805,434,268.86/1,110,869,536.23 = 523,267,645.50/x - Step 3: Cross multiply
805,434,268.86x = 1,110,869,536.23 × 523,267,645.50 - Step 4: Simplify right side
805,434,268.86x = 581,282,086,680,749,056 - Step 5: Solve for x
x = 581,282,086,680,749,056/805,434,268.86 - Step 6: Final answer
x = 721,700,217.08
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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.