Finding the Fourth Proportional to 531,868,028.19, 797,167,316.53 and 247,544,606.40
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Solution
The fourth proportional to 531,868,028.19, 797,167,316.53 and 247,544,606.40 is: 371,021,492.45
Step by Step Solution
- Step 1: Write the proportion equation
531,868,028.19 : 797,167,316.53 = 247,544,606.40 : x - Step 2: Convert to fraction form
531,868,028.19/797,167,316.53 = 247,544,606.40/x - Step 3: Cross multiply
531,868,028.19x = 797,167,316.53 × 247,544,606.40 - Step 4: Simplify right side
531,868,028.19x = 197,334,469,605,363,072 - Step 5: Solve for x
x = 197,334,469,605,363,072/531,868,028.19 - Step 6: Final answer
x = 371,021,492.45
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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.