Finding the Fourth Proportional to 3,140,620,339.99, 4,334,042,972.52 and 1,730,920,938.46
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Solution
The fourth proportional to 3,140,620,339.99, 4,334,042,972.52 and 1,730,920,938.46 is: 2,388,663,676.98
Step by Step Solution
- Step 1: Write the proportion equation
3,140,620,339.99 : 4,334,042,972.52 = 1,730,920,938.46 : x - Step 2: Convert to fraction form
3,140,620,339.99/4,334,042,972.52 = 1,730,920,938.46/x - Step 3: Cross multiply
3,140,620,339.99x = 4,334,042,972.52 × 1,730,920,938.46 - Step 4: Simplify right side
3,140,620,339.99x = 7,501,885,729,320,287,232 - Step 5: Solve for x
x = 7,501,885,729,320,287,232/3,140,620,339.99 - Step 6: Final answer
x = 2,388,663,676.98
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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.