Finding the Fourth Proportional to 2,116,979,283.87, 2,921,433,833.76 and 1,177,161,747.61
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Solution
The fourth proportional to 2,116,979,283.87, 2,921,433,833.76 and 1,177,161,747.61 is: 1,624,484,558.48
Step by Step Solution
- Step 1: Write the proportion equation
2,116,979,283.87 : 2,921,433,833.76 = 1,177,161,747.61 : x - Step 2: Convert to fraction form
2,116,979,283.87/2,921,433,833.76 = 1,177,161,747.61/x - Step 3: Cross multiply
2,116,979,283.87x = 2,921,433,833.76 × 1,177,161,747.61 - Step 4: Simplify right side
2,116,979,283.87x = 3,439,000,157,270,018,048 - Step 5: Solve for x
x = 3,439,000,157,270,018,048/2,116,979,283.87 - Step 6: Final answer
x = 1,624,484,558.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.