Finding the Fourth Proportional to 13,905,240,135.20, 20,857,860,202.80 and 6,558,599,751.20
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Solution
The fourth proportional to 13,905,240,135.20, 20,857,860,202.80 and 6,558,599,751.20 is: 9,837,899,626.80
Step by Step Solution
- Step 1: Write the proportion equation
13,905,240,135.20 : 20,857,860,202.80 = 6,558,599,751.20 : x - Step 2: Convert to fraction form
13,905,240,135.20/20,857,860,202.80 = 6,558,599,751.20/x - Step 3: Cross multiply
13,905,240,135.20x = 20,857,860,202.80 × 6,558,599,751.20 - Step 4: Simplify right side
13,905,240,135.20x = 136,798,356,736,648,445,952 - Step 5: Solve for x
x = 136,798,356,736,648,445,952/13,905,240,135.20 - Step 6: Final answer
x = 9,837,899,626.80
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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.