Finding the Fourth Proportional to 2,539,599,490.68, 3,809,889,811.35 and 965,584,413.42
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Solution
The fourth proportional to 2,539,599,490.68, 3,809,889,811.35 and 965,584,413.42 is: 1,448,563,142.41
Step by Step Solution
- Step 1: Write the proportion equation
2,539,599,490.68 : 3,809,889,811.35 = 965,584,413.42 : x - Step 2: Convert to fraction form
2,539,599,490.68/3,809,889,811.35 = 965,584,413.42/x - Step 3: Cross multiply
2,539,599,490.68x = 3,809,889,811.35 × 965,584,413.42 - Step 4: Simplify right side
2,539,599,490.68x = 3,678,770,218,687,223,808 - Step 5: Solve for x
x = 3,678,770,218,687,223,808/2,539,599,490.68 - Step 6: Final answer
x = 1,448,563,142.41
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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.