Finding the Fourth Proportional to 354,307,564.80, 531,461,347.20 and 323,696,563.20
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Solution
The fourth proportional to 354,307,564.80, 531,461,347.20 and 323,696,563.20 is: 485,544,844.80
Step by Step Solution
- Step 1: Write the proportion equation
354,307,564.80 : 531,461,347.20 = 323,696,563.20 : x - Step 2: Convert to fraction form
354,307,564.80/531,461,347.20 = 323,696,563.20/x - Step 3: Cross multiply
354,307,564.80x = 531,461,347.20 × 323,696,563.20 - Step 4: Simplify right side
354,307,564.80x = 172,032,211,562,281,920 - Step 5: Solve for x
x = 172,032,211,562,281,920/354,307,564.80 - Step 6: Final answer
x = 485,544,844.80
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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.