Finding the Fourth Proportional to 441,069,811.12, 608,225,178.72 and 292,339,289.44
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Solution
The fourth proportional to 441,069,811.12, 608,225,178.72 and 292,339,289.44 is: 403,129,191.99
Step by Step Solution
- Step 1: Write the proportion equation
441,069,811.12 : 608,225,178.72 = 292,339,289.44 : x - Step 2: Convert to fraction form
441,069,811.12/608,225,178.72 = 292,339,289.44/x - Step 3: Cross multiply
441,069,811.12x = 608,225,178.72 × 292,339,289.44 - Step 4: Simplify right side
441,069,811.12x = 177,808,116,566,521,824 - Step 5: Solve for x
x = 177,808,116,566,521,824/441,069,811.12 - Step 6: Final answer
x = 403,129,191.99
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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.