Finding the Fourth Proportional to 6,480,649,231.80, 9,720,973,847.70 and 6,377,337,101.40
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Solution
The fourth proportional to 6,480,649,231.80, 9,720,973,847.70 and 6,377,337,101.40 is: 9,566,005,652.10
Step by Step Solution
- Step 1: Write the proportion equation
6,480,649,231.80 : 9,720,973,847.70 = 6,377,337,101.40 : x - Step 2: Convert to fraction form
6,480,649,231.80/9,720,973,847.70 = 6,377,337,101.40/x - Step 3: Cross multiply
6,480,649,231.80x = 9,720,973,847.70 × 6,377,337,101.40 - Step 4: Simplify right side
6,480,649,231.80x = 61,993,927,180,676,325,376 - Step 5: Solve for x
x = 61,993,927,180,676,325,376/6,480,649,231.80 - Step 6: Final answer
x = 9,566,005,652.10
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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.