Finding the Fourth Proportional to 896,911,693.80, 1,345,367,540.70 and 876,756,301.80
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Solution
The fourth proportional to 896,911,693.80, 1,345,367,540.70 and 876,756,301.80 is: 1,315,134,452.70
Step by Step Solution
- Step 1: Write the proportion equation
896,911,693.80 : 1,345,367,540.70 = 876,756,301.80 : x - Step 2: Convert to fraction form
896,911,693.80/1,345,367,540.70 = 876,756,301.80/x - Step 3: Cross multiply
896,911,693.80x = 1,345,367,540.70 × 876,756,301.80 - Step 4: Simplify right side
896,911,693.80x = 1,179,559,469,545,892,864 - Step 5: Solve for x
x = 1,179,559,469,545,892,864/896,911,693.80 - Step 6: Final answer
x = 1,315,134,452.70
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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.