Finding the Fourth Proportional to 2,292,011,996.40, 3,438,017,994.60 and 818,857,544.40
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Solution
The fourth proportional to 2,292,011,996.40, 3,438,017,994.60 and 818,857,544.40 is: 1,228,286,316.60
Step by Step Solution
- Step 1: Write the proportion equation
2,292,011,996.40 : 3,438,017,994.60 = 818,857,544.40 : x - Step 2: Convert to fraction form
2,292,011,996.40/3,438,017,994.60 = 818,857,544.40/x - Step 3: Cross multiply
2,292,011,996.40x = 3,438,017,994.60 × 818,857,544.40 - Step 4: Simplify right side
2,292,011,996.40x = 2,815,246,972,661,168,128 - Step 5: Solve for x
x = 2,815,246,972,661,168,128/2,292,011,996.40 - Step 6: Final answer
x = 1,228,286,316.60
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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.