Finding the Fourth Proportional to 1,211,647,769.49, 1,813,744,000.45 and 790,562,440.95
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Solution
The fourth proportional to 1,211,647,769.49, 1,813,744,000.45 and 790,562,440.95 is: 1,183,411,483.40
Step by Step Solution
- Step 1: Write the proportion equation
1,211,647,769.49 : 1,813,744,000.45 = 790,562,440.95 : x - Step 2: Convert to fraction form
1,211,647,769.49/1,813,744,000.45 = 790,562,440.95/x - Step 3: Cross multiply
1,211,647,769.49x = 1,813,744,000.45 × 790,562,440.95 - Step 4: Simplify right side
1,211,647,769.49x = 1,433,877,884,254,170,112 - Step 5: Solve for x
x = 1,433,877,884,254,170,112/1,211,647,769.49 - Step 6: Final answer
x = 1,183,411,483.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.