Finding the Fourth Proportional to 742,296,153.98, 1,024,350,825.34 and 412,271,555.42
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Solution
The fourth proportional to 742,296,153.98, 1,024,350,825.34 and 412,271,555.42 is: 568,924,823.06
Step by Step Solution
- Step 1: Write the proportion equation
742,296,153.98 : 1,024,350,825.34 = 412,271,555.42 : x - Step 2: Convert to fraction form
742,296,153.98/1,024,350,825.34 = 412,271,555.42/x - Step 3: Cross multiply
742,296,153.98x = 1,024,350,825.34 × 412,271,555.42 - Step 4: Simplify right side
742,296,153.98x = 422,310,708,058,682,560 - Step 5: Solve for x
x = 422,310,708,058,682,560/742,296,153.98 - Step 6: Final answer
x = 568,924,823.06
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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.