Finding the Fourth Proportional to 6,899,438,266.90, 10,349,157,400.35 and 4,419,947,137.30
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Solution
The fourth proportional to 6,899,438,266.90, 10,349,157,400.35 and 4,419,947,137.30 is: 6,629,920,705.95
Step by Step Solution
- Step 1: Write the proportion equation
6,899,438,266.90 : 10,349,157,400.35 = 4,419,947,137.30 : x - Step 2: Convert to fraction form
6,899,438,266.90/10,349,157,400.35 = 4,419,947,137.30/x - Step 3: Cross multiply
6,899,438,266.90x = 10,349,157,400.35 × 4,419,947,137.30 - Step 4: Simplify right side
6,899,438,266.90x = 45,742,728,625,144,094,720 - Step 5: Solve for x
x = 45,742,728,625,144,094,720/6,899,438,266.90 - Step 6: Final answer
x = 6,629,920,705.95
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Double scale
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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.