Finding the Fourth Proportional to 12,930,134,148,188, 19,395,251,541,310 and 3,128,191,381,794.80
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Solution
The fourth proportional to 12,930,134,148,188, 19,395,251,541,310 and 3,128,191,381,794.80 is: 4,692,299,246,390.32
Step by Step Solution
- Step 1: Write the proportion equation
12,930,134,148,188 : 19,395,251,541,310 = 3,128,191,381,794.80 : x - Step 2: Convert to fraction form
12,930,134,148,188/19,395,251,541,310 = 3,128,191,381,794.80/x - Step 3: Cross multiply
12,930,134,148,188x = 19,395,251,541,310 × 3,128,191,381,794.80 - Step 4: Simplify right side
12,930,134,148,188x = 60,672,058,719,268,251,474,329,600 - Step 5: Solve for x
x = 60,672,058,719,268,251,474,329,600/12,930,134,148,188 - Step 6: Final answer
x = 4,692,299,246,390.32
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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.