Finding the Fourth Proportional to 2,834,358,901.20, 4,251,538,351.80 and 993,447,277.20
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Solution
The fourth proportional to 2,834,358,901.20, 4,251,538,351.80 and 993,447,277.20 is: 1,490,170,915.80
Step by Step Solution
- Step 1: Write the proportion equation
2,834,358,901.20 : 4,251,538,351.80 = 993,447,277.20 : x - Step 2: Convert to fraction form
2,834,358,901.20/4,251,538,351.80 = 993,447,277.20/x - Step 3: Cross multiply
2,834,358,901.20x = 4,251,538,351.80 × 993,447,277.20 - Step 4: Simplify right side
2,834,358,901.20x = 4,223,679,199,507,086,336 - Step 5: Solve for x
x = 4,223,679,199,507,086,336/2,834,358,901.20 - Step 6: Final answer
x = 1,490,170,915.80
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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.