Finding the Fourth Proportional to 1,949,678,073.24, 2,925,913,434.20 and 829,986,750.76
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Solution
The fourth proportional to 1,949,678,073.24, 2,925,913,434.20 and 829,986,750.76 is: 1,245,574,547.71
Step by Step Solution
- Step 1: Write the proportion equation
1,949,678,073.24 : 2,925,913,434.20 = 829,986,750.76 : x - Step 2: Convert to fraction form
1,949,678,073.24/2,925,913,434.20 = 829,986,750.76/x - Step 3: Cross multiply
1,949,678,073.24x = 2,925,913,434.20 × 829,986,750.76 - Step 4: Simplify right side
1,949,678,073.24x = 2,428,469,384,256,690,688 - Step 5: Solve for x
x = 2,428,469,384,256,690,688/1,949,678,073.24 - Step 6: Final answer
x = 1,245,574,547.71
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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.