Finding the Fourth Proportional to 5,219,259,810.30, 7,828,889,715.45 and 2,897,358,651.90
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Solution
The fourth proportional to 5,219,259,810.30, 7,828,889,715.45 and 2,897,358,651.90 is: 4,346,037,977.85
Step by Step Solution
- Step 1: Write the proportion equation
5,219,259,810.30 : 7,828,889,715.45 = 2,897,358,651.90 : x - Step 2: Convert to fraction form
5,219,259,810.30/7,828,889,715.45 = 2,897,358,651.90/x - Step 3: Cross multiply
5,219,259,810.30x = 7,828,889,715.45 × 2,897,358,651.90 - Step 4: Simplify right side
5,219,259,810.30x = 22,683,101,351,829,987,328 - Step 5: Solve for x
x = 22,683,101,351,829,987,328/5,219,259,810.30 - Step 6: Final answer
x = 4,346,037,977.85
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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.