Finding the Fourth Proportional to 325,305,280,307.70, 487,957,920,461.55 and 115,850,446,643.70
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Solution
The fourth proportional to 325,305,280,307.70, 487,957,920,461.55 and 115,850,446,643.70 is: 173,775,669,965.55
Step by Step Solution
- Step 1: Write the proportion equation
325,305,280,307.70 : 487,957,920,461.55 = 115,850,446,643.70 : x - Step 2: Convert to fraction form
325,305,280,307.70/487,957,920,461.55 = 115,850,446,643.70/x - Step 3: Cross multiply
325,305,280,307.70x = 487,957,920,461.55 × 115,850,446,643.70 - Step 4: Simplify right side
325,305,280,307.70x = 56,530,143,028,801,607,565,312 - Step 5: Solve for x
x = 56,530,143,028,801,607,565,312/325,305,280,307.70 - Step 6: Final answer
x = 173,775,669,965.55
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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.