Finding the Fourth Proportional to 608,319,538.74, 912,114,910.35 and 193,617,230.58
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Solution
The fourth proportional to 608,319,538.74, 912,114,910.35 and 193,617,230.58 is: 290,309,864.58
Step by Step Solution
- Step 1: Write the proportion equation
608,319,538.74 : 912,114,910.35 = 193,617,230.58 : x - Step 2: Convert to fraction form
608,319,538.74/912,114,910.35 = 193,617,230.58/x - Step 3: Cross multiply
608,319,538.74x = 912,114,910.35 × 193,617,230.58 - Step 4: Simplify right side
608,319,538.74x = 176,601,162,912,692,000 - Step 5: Solve for x
x = 176,601,162,912,692,000/608,319,538.74 - Step 6: Final answer
x = 290,309,864.58
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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.