Finding the Fourth Proportional to 13,048,134,137.80, 19,572,201,206.70 and 13,048,134,137.80
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Solution
The fourth proportional to 13,048,134,137.80, 19,572,201,206.70 and 13,048,134,137.80 is: 19,572,201,206.70
Step by Step Solution
- Step 1: Write the proportion equation
13,048,134,137.80 : 19,572,201,206.70 = 13,048,134,137.80 : x - Step 2: Convert to fraction form
13,048,134,137.80/19,572,201,206.70 = 13,048,134,137.80/x - Step 3: Cross multiply
13,048,134,137.80x = 19,572,201,206.70 × 13,048,134,137.80 - Step 4: Simplify right side
13,048,134,137.80x = 255,380,706,717,032,611,840 - Step 5: Solve for x
x = 255,380,706,717,032,611,840/13,048,134,137.80 - Step 6: Final answer
x = 19,572,201,206.70
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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.