Finding the Fourth Proportional to 1,677,589,700.24, 2,516,383,221.30 and 450,758,151.74
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Solution
The fourth proportional to 1,677,589,700.24, 2,516,383,221.30 and 450,758,151.74 is: 676,136,870.50
Step by Step Solution
- Step 1: Write the proportion equation
1,677,589,700.24 : 2,516,383,221.30 = 450,758,151.74 : x - Step 2: Convert to fraction form
1,677,589,700.24/2,516,383,221.30 = 450,758,151.74/x - Step 3: Cross multiply
1,677,589,700.24x = 2,516,383,221.30 × 450,758,151.74 - Step 4: Simplify right side
1,677,589,700.24x = 1,134,280,249,893,597,056 - Step 5: Solve for x
x = 1,134,280,249,893,597,056/1,677,589,700.24 - Step 6: Final answer
x = 676,136,870.50
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1.5x scale
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.