Finding the Fourth Proportional to 740,310,506.28, 1,103,847,187.81 and 719,970,930.61
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Solution
The fourth proportional to 740,310,506.28, 1,103,847,187.81 and 719,970,930.61 is: 1,073,519,665.48
Step by Step Solution
- Step 1: Write the proportion equation
740,310,506.28 : 1,103,847,187.81 = 719,970,930.61 : x - Step 2: Convert to fraction form
740,310,506.28/1,103,847,187.81 = 719,970,930.61/x - Step 3: Cross multiply
740,310,506.28x = 1,103,847,187.81 × 719,970,930.61 - Step 4: Simplify right side
740,310,506.28x = 794,737,887,055,605,504 - Step 5: Solve for x
x = 794,737,887,055,605,504/740,310,506.28 - Step 6: Final answer
x = 1,073,519,665.48
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.