Finding the Fourth Proportional to 1,862,137,828.92, 2,793,025,373.04 and 756,808,958.28
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Solution
The fourth proportional to 1,862,137,828.92, 2,793,025,373.04 and 756,808,958.28 is: 1,135,139,724.99
Step by Step Solution
- Step 1: Write the proportion equation
1,862,137,828.92 : 2,793,025,373.04 = 756,808,958.28 : x - Step 2: Convert to fraction form
1,862,137,828.92/2,793,025,373.04 = 756,808,958.28/x - Step 3: Cross multiply
1,862,137,828.92x = 2,793,025,373.04 × 756,808,958.28 - Step 4: Simplify right side
1,862,137,828.92x = 2,113,786,623,020,010,752 - Step 5: Solve for x
x = 2,113,786,623,020,010,752/1,862,137,828.92 - Step 6: Final answer
x = 1,135,139,724.99
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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.