Finding the Fourth Proportional to 1,197,481,304.21, 1,652,506,613.03 and 668,853,004.91
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Solution
The fourth proportional to 1,197,481,304.21, 1,652,506,613.03 and 668,853,004.91 is: 923,007,323.68
Step by Step Solution
- Step 1: Write the proportion equation
1,197,481,304.21 : 1,652,506,613.03 = 668,853,004.91 : x - Step 2: Convert to fraction form
1,197,481,304.21/1,652,506,613.03 = 668,853,004.91/x - Step 3: Cross multiply
1,197,481,304.21x = 1,652,506,613.03 × 668,853,004.91 - Step 4: Simplify right side
1,197,481,304.21x = 1,105,284,013,752,171,648 - Step 5: Solve for x
x = 1,105,284,013,752,171,648/1,197,481,304.21 - Step 6: Final answer
x = 923,007,323.68
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1.5x scale
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.