Finding the Fourth Proportional to 1,594,368,415.60, 2,391,552,623.40 and 978,957,113.20
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Solution
The fourth proportional to 1,594,368,415.60, 2,391,552,623.40 and 978,957,113.20 is: 1,468,435,669.80
Step by Step Solution
- Step 1: Write the proportion equation
1,594,368,415.60 : 2,391,552,623.40 = 978,957,113.20 : x - Step 2: Convert to fraction form
1,594,368,415.60/2,391,552,623.40 = 978,957,113.20/x - Step 3: Cross multiply
1,594,368,415.60x = 2,391,552,623.40 × 978,957,113.20 - Step 4: Simplify right side
1,594,368,415.60x = 2,341,227,452,269,551,104 - Step 5: Solve for x
x = 2,341,227,452,269,551,104/1,594,368,415.60 - Step 6: Final answer
x = 1,468,435,669.80
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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.