Finding the Fourth Proportional to 986,187,683.71, 1,360,939,737.24 and 534,069,160.62
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Solution
The fourth proportional to 986,187,683.71, 1,360,939,737.24 and 534,069,160.62 is: 737,015,839.00
Step by Step Solution
- Step 1: Write the proportion equation
986,187,683.71 : 1,360,939,737.24 = 534,069,160.62 : x - Step 2: Convert to fraction form
986,187,683.71/1,360,939,737.24 = 534,069,160.62/x - Step 3: Cross multiply
986,187,683.71x = 1,360,939,737.24 × 534,069,160.62 - Step 4: Simplify right side
986,187,683.71x = 726,835,943,122,170,112 - Step 5: Solve for x
x = 726,835,943,122,170,112/986,187,683.71 - Step 6: Final answer
x = 737,015,839.00
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.