Finding the Fourth Proportional to 1,188,793,589.84, 1,783,332,201 and 574,936,719.44
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Solution
The fourth proportional to 1,188,793,589.84, 1,783,332,201 and 574,936,719.44 is: 862,473,665.80
Step by Step Solution
- Step 1: Write the proportion equation
1,188,793,589.84 : 1,783,332,201 = 574,936,719.44 : x - Step 2: Convert to fraction form
1,188,793,589.84/1,783,332,201 = 574,936,719.44/x - Step 3: Cross multiply
1,188,793,589.84x = 1,783,332,201 × 574,936,719.44 - Step 4: Simplify right side
1,188,793,589.84x = 1,025,303,165,314,654,848 - Step 5: Solve for x
x = 1,025,303,165,314,654,848/1,188,793,589.84 - Step 6: Final answer
x = 862,473,665.80
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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.