Finding the Fourth Proportional to 736,583,470.55, 1,016,333,449.58 and 423,257,150.09
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Solution
The fourth proportional to 736,583,470.55, 1,016,333,449.58 and 423,257,150.09 is: 584,007,674.09
Step by Step Solution
- Step 1: Write the proportion equation
736,583,470.55 : 1,016,333,449.58 = 423,257,150.09 : x - Step 2: Convert to fraction form
736,583,470.55/1,016,333,449.58 = 423,257,150.09/x - Step 3: Cross multiply
736,583,470.55x = 1,016,333,449.58 × 423,257,150.09 - Step 4: Simplify right side
736,583,470.55x = 430,170,399,403,171,584 - Step 5: Solve for x
x = 430,170,399,403,171,584/736,583,470.55 - Step 6: Final answer
x = 584,007,674.09
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1.5x scale
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.