Finding the Fourth Proportional to 19,572,213,679.70, 29,358,320,519.55 and 19,572,213,679.70
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Solution
The fourth proportional to 19,572,213,679.70, 29,358,320,519.55 and 19,572,213,679.70 is: 29,358,320,519.55
Step by Step Solution
- Step 1: Write the proportion equation
19,572,213,679.70 : 29,358,320,519.55 = 19,572,213,679.70 : x - Step 2: Convert to fraction form
19,572,213,679.70/29,358,320,519.55 = 19,572,213,679.70/x - Step 3: Cross multiply
19,572,213,679.70x = 29,358,320,519.55 × 19,572,213,679.70 - Step 4: Simplify right side
19,572,213,679.70x = 574,607,322,485,753,708,544 - Step 5: Solve for x
x = 574,607,322,485,753,708,544/19,572,213,679.70 - Step 6: Final answer
x = 29,358,320,519.55
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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.