Finding the Fourth Proportional to 2,214,436,430.70, 3,321,654,646.05 and 1,293,838,901.10
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Solution
The fourth proportional to 2,214,436,430.70, 3,321,654,646.05 and 1,293,838,901.10 is: 1,940,758,351.65
Step by Step Solution
- Step 1: Write the proportion equation
2,214,436,430.70 : 3,321,654,646.05 = 1,293,838,901.10 : x - Step 2: Convert to fraction form
2,214,436,430.70/3,321,654,646.05 = 1,293,838,901.10/x - Step 3: Cross multiply
2,214,436,430.70x = 3,321,654,646.05 × 1,293,838,901.10 - Step 4: Simplify right side
2,214,436,430.70x = 4,297,685,997,079,041,536 - Step 5: Solve for x
x = 4,297,685,997,079,041,536/2,214,436,430.70 - Step 6: Final answer
x = 1,940,758,351.65
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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.