Finding the Fourth Proportional to 1,594,655,507.60, 2,391,983,261.40 and 979,244,205.20
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Solution
The fourth proportional to 1,594,655,507.60, 2,391,983,261.40 and 979,244,205.20 is: 1,468,866,307.80
Step by Step Solution
- Step 1: Write the proportion equation
1,594,655,507.60 : 2,391,983,261.40 = 979,244,205.20 : x - Step 2: Convert to fraction form
1,594,655,507.60/2,391,983,261.40 = 979,244,205.20/x - Step 3: Cross multiply
1,594,655,507.60x = 2,391,983,261.40 × 979,244,205.20 - Step 4: Simplify right side
1,594,655,507.60x = 2,342,335,747,661,346,816 - Step 5: Solve for x
x = 2,342,335,747,661,346,816/1,594,655,507.60 - Step 6: Final answer
x = 1,468,866,307.80
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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.