Finding the Fourth Proportional to 2,896,565,465.80, 4,344,848,198.70 and 1,056,378,176.20
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Solution
The fourth proportional to 2,896,565,465.80, 4,344,848,198.70 and 1,056,378,176.20 is: 1,584,567,264.30
Step by Step Solution
- Step 1: Write the proportion equation
2,896,565,465.80 : 4,344,848,198.70 = 1,056,378,176.20 : x - Step 2: Convert to fraction form
2,896,565,465.80/4,344,848,198.70 = 1,056,378,176.20/x - Step 3: Cross multiply
2,896,565,465.80x = 4,344,848,198.70 × 1,056,378,176.20 - Step 4: Simplify right side
2,896,565,465.80x = 4,589,802,816,008,561,152 - Step 5: Solve for x
x = 4,589,802,816,008,561,152/2,896,565,465.80 - Step 6: Final answer
x = 1,584,567,264.30
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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.