Finding the Fourth Proportional to 622,647,911.00, 859,264,325.62 and 371,774,225.63
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Solution
The fourth proportional to 622,647,911.00, 859,264,325.62 and 371,774,225.63 is: 513,054,526.68
Step by Step Solution
- Step 1: Write the proportion equation
622,647,911.00 : 859,264,325.62 = 371,774,225.63 : x - Step 2: Convert to fraction form
622,647,911.00/859,264,325.62 = 371,774,225.63/x - Step 3: Cross multiply
622,647,911.00x = 859,264,325.62 × 371,774,225.63 - Step 4: Simplify right side
622,647,911.00x = 319,452,329,270,078,400 - Step 5: Solve for x
x = 319,452,329,270,078,400/622,647,911.00 - Step 6: Final answer
x = 513,054,526.68
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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.