Finding the Fourth Proportional to 2,018,367,007.65, 3,027,550,511.48 and 638,604,454.05
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Solution
The fourth proportional to 2,018,367,007.65, 3,027,550,511.48 and 638,604,454.05 is: 957,906,681.08
Step by Step Solution
- Step 1: Write the proportion equation
2,018,367,007.65 : 3,027,550,511.48 = 638,604,454.05 : x - Step 2: Convert to fraction form
2,018,367,007.65/3,027,550,511.48 = 638,604,454.05/x - Step 3: Cross multiply
2,018,367,007.65x = 3,027,550,511.48 × 638,604,454.05 - Step 4: Simplify right side
2,018,367,007.65x = 1,933,407,241,489,290,496 - Step 5: Solve for x
x = 1,933,407,241,489,290,496/2,018,367,007.65 - Step 6: Final answer
x = 957,906,681.08
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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.