Finding the Fourth Proportional to 6,831,869,149.80, 10,247,803,724.70 and 5,454,374,077.80
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Solution
The fourth proportional to 6,831,869,149.80, 10,247,803,724.70 and 5,454,374,077.80 is: 8,181,561,116.70
Step by Step Solution
- Step 1: Write the proportion equation
6,831,869,149.80 : 10,247,803,724.70 = 5,454,374,077.80 : x - Step 2: Convert to fraction form
6,831,869,149.80/10,247,803,724.70 = 5,454,374,077.80/x - Step 3: Cross multiply
6,831,869,149.80x = 10,247,803,724.70 × 5,454,374,077.80 - Step 4: Simplify right side
6,831,869,149.80x = 55,895,354,990,385,971,200 - Step 5: Solve for x
x = 55,895,354,990,385,971,200/6,831,869,149.80 - Step 6: Final answer
x = 8,181,561,116.70
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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.