Finding the Fourth Proportional to 637,027,391,129.22, 879,307,298,695.68 and 507,054,657,404.28
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Solution
The fourth proportional to 637,027,391,129.22, 879,307,298,695.68 and 507,054,657,404.28 is: 699,902,182,075.53
Step by Step Solution
- Step 1: Write the proportion equation
637,027,391,129.22 : 879,307,298,695.68 = 507,054,657,404.28 : x - Step 2: Convert to fraction form
637,027,391,129.22/879,307,298,695.68 = 507,054,657,404.28/x - Step 3: Cross multiply
637,027,391,129.22x = 879,307,298,695.68 × 507,054,657,404.28 - Step 4: Simplify right side
637,027,391,129.22x = 445,856,861,093,220,954,669,056 - Step 5: Solve for x
x = 445,856,861,093,220,954,669,056/637,027,391,129.22 - Step 6: Final answer
x = 699,902,182,075.53
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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.