Finding the Fourth Proportional to 4,378,292,986.80, 6,558,282,462.60 and 2,051,216,122.80
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Solution
The fourth proportional to 4,378,292,986.80, 6,558,282,462.60 and 2,051,216,122.80 is: 3,072,534,151.03
Step by Step Solution
- Step 1: Write the proportion equation
4,378,292,986.80 : 6,558,282,462.60 = 2,051,216,122.80 : x - Step 2: Convert to fraction form
4,378,292,986.80/6,558,282,462.60 = 2,051,216,122.80/x - Step 3: Cross multiply
4,378,292,986.80x = 6,558,282,462.60 × 2,051,216,122.80 - Step 4: Simplify right side
4,378,292,986.80x = 13,452,454,725,161,609,216 - Step 5: Solve for x
x = 13,452,454,725,161,609,216/4,378,292,986.80 - Step 6: Final answer
x = 3,072,534,151.03
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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.