Finding the Fourth Proportional to 8,687,595,437.80, 13,031,393,156.70 and 2,144,493,845.80
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Solution
The fourth proportional to 8,687,595,437.80, 13,031,393,156.70 and 2,144,493,845.80 is: 3,216,740,768.70
Step by Step Solution
- Step 1: Write the proportion equation
8,687,595,437.80 : 13,031,393,156.70 = 2,144,493,845.80 : x - Step 2: Convert to fraction form
8,687,595,437.80/13,031,393,156.70 = 2,144,493,845.80/x - Step 3: Cross multiply
8,687,595,437.80x = 13,031,393,156.70 × 2,144,493,845.80 - Step 4: Simplify right side
8,687,595,437.80x = 27,945,742,426,743,386,112 - Step 5: Solve for x
x = 27,945,742,426,743,386,112/8,687,595,437.80 - Step 6: Final answer
x = 3,216,740,768.70
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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.