Finding the Fourth Proportional to 608,319,570.24, 912,114,957.56 and 193,617,262.08
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Solution
The fourth proportional to 608,319,570.24, 912,114,957.56 and 193,617,262.08 is: 290,309,911.80
Step by Step Solution
- Step 1: Write the proportion equation
608,319,570.24 : 912,114,957.56 = 193,617,262.08 : x - Step 2: Convert to fraction form
608,319,570.24/912,114,957.56 = 193,617,262.08/x - Step 3: Cross multiply
608,319,570.24x = 912,114,957.56 × 193,617,262.08 - Step 4: Simplify right side
608,319,570.24x = 176,601,200,784,982,592 - Step 5: Solve for x
x = 176,601,200,784,982,592/608,319,570.24 - Step 6: Final answer
x = 290,309,911.80
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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.