Finding the Fourth Proportional to 632,767,967.94, 948,805,177.74 and 195,947,380.62
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Solution
The fourth proportional to 632,767,967.94, 948,805,177.74 and 195,947,380.62 is: 293,813,686.40
Step by Step Solution
- Step 1: Write the proportion equation
632,767,967.94 : 948,805,177.74 = 195,947,380.62 : x - Step 2: Convert to fraction form
632,767,967.94/948,805,177.74 = 195,947,380.62/x - Step 3: Cross multiply
632,767,967.94x = 948,805,177.74 × 195,947,380.62 - Step 4: Simplify right side
632,767,967.94x = 185,915,889,296,846,528 - Step 5: Solve for x
x = 185,915,889,296,846,528/632,767,967.94 - Step 6: Final answer
x = 293,813,686.40
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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.