Finding the Fourth Proportional to 1,516,777,149.94, 2,275,165,724.91 and 426,260,217.94
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Solution
The fourth proportional to 1,516,777,149.94, 2,275,165,724.91 and 426,260,217.94 is: 639,390,326.90
Step by Step Solution
- Step 1: Write the proportion equation
1,516,777,149.94 : 2,275,165,724.91 = 426,260,217.94 : x - Step 2: Convert to fraction form
1,516,777,149.94/2,275,165,724.91 = 426,260,217.94/x - Step 3: Cross multiply
1,516,777,149.94x = 2,275,165,724.91 × 426,260,217.94 - Step 4: Simplify right side
1,516,777,149.94x = 969,812,637,736,247,680 - Step 5: Solve for x
x = 969,812,637,736,247,680/1,516,777,149.94 - Step 6: Final answer
x = 639,390,326.90
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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.