Finding the Fourth Proportional to 568,133,646.23, 784,565,912.12 and 537,182,079.53
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Solution
The fourth proportional to 568,133,646.23, 784,565,912.12 and 537,182,079.53 is: 741,823,250.55
Step by Step Solution
- Step 1: Write the proportion equation
568,133,646.23 : 784,565,912.12 = 537,182,079.53 : x - Step 2: Convert to fraction form
568,133,646.23/784,565,912.12 = 537,182,079.53/x - Step 3: Cross multiply
568,133,646.23x = 784,565,912.12 × 537,182,079.53 - Step 4: Simplify right side
568,133,646.23x = 421,454,748,194,364,096 - Step 5: Solve for x
x = 421,454,748,194,364,096/568,133,646.23 - Step 6: Final answer
x = 741,823,250.55
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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.