Finding the Fourth Proportional to 680,227,737.08, 938,711,975.00 and 382,869,806.99
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Solution
The fourth proportional to 680,227,737.08, 938,711,975.00 and 382,869,806.99 is: 528,359,037.85
Step by Step Solution
- Step 1: Write the proportion equation
680,227,737.08 : 938,711,975.00 = 382,869,806.99 : x - Step 2: Convert to fraction form
680,227,737.08/938,711,975.00 = 382,869,806.99/x - Step 3: Cross multiply
680,227,737.08x = 938,711,975.00 × 382,869,806.99 - Step 4: Simplify right side
680,227,737.08x = 359,404,472,680,843,840 - Step 5: Solve for x
x = 359,404,472,680,843,840/680,227,737.08 - Step 6: Final answer
x = 528,359,037.85
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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.