Finding the Fourth Proportional to 659,787,371.26, 989,896,038.99 and 314,696,092.30
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Solution
The fourth proportional to 659,787,371.26, 989,896,038.99 and 314,696,092.30 is: 472,146,677.59
Step by Step Solution
- Step 1: Write the proportion equation
659,787,371.26 : 989,896,038.99 = 314,696,092.30 : x - Step 2: Convert to fraction form
659,787,371.26/989,896,038.99 = 314,696,092.30/x - Step 3: Cross multiply
659,787,371.26x = 989,896,038.99 × 314,696,092.30 - Step 4: Simplify right side
659,787,371.26x = 311,516,415,253,401,472 - Step 5: Solve for x
x = 311,516,415,253,401,472/659,787,371.26 - Step 6: Final answer
x = 472,146,677.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.