Finding the Fourth Proportional to 2,106,257,766.29, 2,905,236,157.21 and 1,354,521,355.26
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Solution
The fourth proportional to 2,106,257,766.29, 2,905,236,157.21 and 1,354,521,355.26 is: 1,868,339,421.70
Step by Step Solution
- Step 1: Write the proportion equation
2,106,257,766.29 : 2,905,236,157.21 = 1,354,521,355.26 : x - Step 2: Convert to fraction form
2,106,257,766.29/2,905,236,157.21 = 1,354,521,355.26/x - Step 3: Cross multiply
2,106,257,766.29x = 2,905,236,157.21 × 1,354,521,355.26 - Step 4: Simplify right side
2,106,257,766.29x = 3,935,204,417,014,443,520 - Step 5: Solve for x
x = 3,935,204,417,014,443,520/2,106,257,766.29 - Step 6: Final answer
x = 1,868,339,421.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.