Finding the Fourth Proportional to 372,093,489.99, 513,495,547.20 and 202,552,603.83
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Solution
The fourth proportional to 372,093,489.99, 513,495,547.20 and 202,552,603.83 is: 279,526,148.50
Step by Step Solution
- Step 1: Write the proportion equation
372,093,489.99 : 513,495,547.20 = 202,552,603.83 : x - Step 2: Convert to fraction form
372,093,489.99/513,495,547.20 = 202,552,603.83/x - Step 3: Cross multiply
372,093,489.99x = 513,495,547.20 × 202,552,603.83 - Step 4: Simplify right side
372,093,489.99x = 104,009,860,140,470,672 - Step 5: Solve for x
x = 104,009,860,140,470,672/372,093,489.99 - Step 6: Final answer
x = 279,526,148.50
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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.