Finding the Fourth Proportional to 2,818,734,885.60, 4,228,102,328.40 and 1,948,021,951.20
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Solution
The fourth proportional to 2,818,734,885.60, 4,228,102,328.40 and 1,948,021,951.20 is: 2,922,032,926.80
Step by Step Solution
- Step 1: Write the proportion equation
2,818,734,885.60 : 4,228,102,328.40 = 1,948,021,951.20 : x - Step 2: Convert to fraction form
2,818,734,885.60/4,228,102,328.40 = 1,948,021,951.20/x - Step 3: Cross multiply
2,818,734,885.60x = 4,228,102,328.40 × 1,948,021,951.20 - Step 4: Simplify right side
2,818,734,885.60x = 8,236,436,147,643,031,552 - Step 5: Solve for x
x = 8,236,436,147,643,031,552/2,818,734,885.60 - Step 6: Final answer
x = 2,922,032,926.80
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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.