Finding the Fourth Proportional to 4,247,282,264.28, 6,370,943,548.41 and 1,299,557,180.58
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Solution
The fourth proportional to 4,247,282,264.28, 6,370,943,548.41 and 1,299,557,180.58 is: 1,949,341,936.85
Step by Step Solution
- Step 1: Write the proportion equation
4,247,282,264.28 : 6,370,943,548.41 = 1,299,557,180.58 : x - Step 2: Convert to fraction form
4,247,282,264.28/6,370,943,548.41 = 1,299,557,180.58/x - Step 3: Cross multiply
4,247,282,264.28x = 6,370,943,548.41 × 1,299,557,180.58 - Step 4: Simplify right side
4,247,282,264.28x = 8,279,405,435,406,040,064 - Step 5: Solve for x
x = 8,279,405,435,406,040,064/4,247,282,264.28 - Step 6: Final answer
x = 1,949,341,936.85
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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.