Finding the Fourth Proportional to 2,831,839,246.80, 3,906,698,413.20 and 2,700,546,747.12
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Solution
The fourth proportional to 2,831,839,246.80, 3,906,698,413.20 and 2,700,546,747.12 is: 3,725,572,242.02
Step by Step Solution
- Step 1: Write the proportion equation
2,831,839,246.80 : 3,906,698,413.20 = 2,700,546,747.12 : x - Step 2: Convert to fraction form
2,831,839,246.80/3,906,698,413.20 = 2,700,546,747.12/x - Step 3: Cross multiply
2,831,839,246.80x = 3,906,698,413.20 × 2,700,546,747.12 - Step 4: Simplify right side
2,831,839,246.80x = 10,550,221,691,746,123,776 - Step 5: Solve for x
x = 10,550,221,691,746,123,776/2,831,839,246.80 - Step 6: Final answer
x = 3,725,572,242.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.