Finding the Fourth Proportional to 246,780,006.26, 340,357,835.23 and 216,946,868.62
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Solution
The fourth proportional to 246,780,006.26, 340,357,835.23 and 216,946,868.62 is: 299,212,110.75
Step by Step Solution
- Step 1: Write the proportion equation
246,780,006.26 : 340,357,835.23 = 216,946,868.62 : x - Step 2: Convert to fraction form
246,780,006.26/340,357,835.23 = 216,946,868.62/x - Step 3: Cross multiply
246,780,006.26x = 340,357,835.23 × 216,946,868.62 - Step 4: Simplify right side
246,780,006.26x = 73,839,566,563,430,416 - Step 5: Solve for x
x = 73,839,566,563,430,416/246,780,006.26 - Step 6: Final answer
x = 299,212,110.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.