Finding the Fourth Proportional to 12,195,689,373.68, 18,294,408,444.98 and 5,106,037,914.05
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Solution
The fourth proportional to 12,195,689,373.68, 18,294,408,444.98 and 5,106,037,914.05 is: 7,659,422,954.54
Step by Step Solution
- Step 1: Write the proportion equation
12,195,689,373.68 : 18,294,408,444.98 = 5,106,037,914.05 : x - Step 2: Convert to fraction form
12,195,689,373.68/18,294,408,444.98 = 5,106,037,914.05/x - Step 3: Cross multiply
12,195,689,373.68x = 18,294,408,444.98 × 5,106,037,914.05 - Step 4: Simplify right side
12,195,689,373.68x = 93,411,943,135,108,235,264 - Step 5: Solve for x
x = 93,411,943,135,108,235,264/12,195,689,373.68 - Step 6: Final answer
x = 7,659,422,954.54
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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.